国产精品色内内电影网,久九九久视频精品免费,国产综合色在线精品,九九视频精品视频在线观看视频
  • <tbody id="yry9x"><pre id="yry9x"></pre></tbody>

    1. <th id="yry9x"></th>
        1. <span id="yry9x"></span>
          0519-85716198

          關于我們

          CATEGORY

          聯系我們

          常州市江邊水泥制品有限公司

          電話:0519-85716198  

          手機:13601506952

          傳真:0519-85716318

          網站:www.julaibaor.com

          郵箱:303845740@qq.com

          地址:常州市新北區春江鎮魏村沿江東路558號


          新聞中心
          您當前所在位置: 首頁 > 新聞資訊
          2020年中國混凝土與水泥制品行業經濟運行回顧和展望

          中國混凝土與水泥制品協會經濟運行部

          Review and Prospect of Economic Operation of China's Concrete and Cement Products Industry in 2020 Economic Operation Department of China Concrete & Cement-based Products Association

           

          2020年,中國混凝土與水泥制品行業堅決貫徹落實黨中央決策部署,努力做好疫情防控,快速實現復工復產,積極參與國家和地方抗疫工程建設,應急保障功能凸顯。同時全行業篤行創新發展、綠色發展、智能化發展道路;攻堅克難,加快行業供給側結構改革和高質量發展,促進行業經濟運行實現穩定增長,重點產品產量和主要經濟指標再創新高。

           

          一、2020年行業經濟運行回顧

          (一)主要產量和經濟指標概述

          1. 主要產量

          2020年行業重點產品如商品混凝土、混凝土壓力管、預制混凝土樁等累計產量均實現同比增長,并創下歷史新高(見表1)。

          圖片.png

          2. 主要經濟指標

          2020年規模以上混凝土與水泥制品工業企業主營業務收入累計17906.51億元,比上一年增長3.8%;利潤總額累計873.33億元,比上一年增長6.67%。盡管增速較2019年明顯降低,但經濟總量再創新高。

           

          (二)2020年行業經濟運行特點

          1. 攻堅克難,彰顯責任擔當

          一季度,在傳統淡季疊加疫情因素的雙重影響下,由于工期延誤、物流受阻、成本上漲,混凝土與水泥制品企業的生產及經營管理均受到嚴重制約;二季度,在各地區各部門堅決貫徹落實黨中央決策部署,科學統籌疫情防控和經濟社會發展,扎實做好“六穩”工作、全面落實“六?!比蝿盏谋尘跋?,全行業在第一時間復工復產、保障基礎建設,快速實現了較高水平的復工復產率。4月底,中國混凝土與水泥制品協會監測的重點預制混凝土樁企業復工復產率達到95%,重點預拌混凝土企業復工復產率達到100%,重點房屋建筑預制混凝土構件企業復工復產率達到100%。

          在抗擊疫情期間,混凝土與水泥制品企業有力地保障了武漢雷神山、火神山醫院,河南版“小湯山醫院”,西安市公共衛生中心等地方抗疫工程的建設,凸顯了行業在突發情況中的應急保障功能。

           

          2. 供給側有效發力,保障工程建設進度快速恢復

          受疫情影響,2020年一季度重點產品累計產量出現大幅萎縮;4月份開始重點細分行業生產實現快速恢復,重點產品如商品混凝土、預制混凝土樁當月產量實現同比增長;8月份開始個別產品累計產量實現同比增長。

          圖片.png

          圖 1   重點產品2020年單月產量同比增長情況

          Figure 1 Growth of monthly output of key products in 2020 compared with the same period last year

           

          從細分產業生產情況來看,商品混凝土作為基建先行產業生產快速恢復,自4月份開始單月產量保持同比增長走勢,9月份開始實現累計產量同比增長。分區域來看全國六大區域只有華北地區全年產量出現同比下滑,其余五個區域累計產量均為同比上漲。

          房屋建筑預制混凝土構件市場恢復較好,4月份企業生產已恢復甚至超過上一年同期水平,部分地區如陜西、山東、上海、北京等地市場需求好于2019年。據不完全統計,2020年預制混凝土生產企業新增近200家,截止2020年底全國規模在3萬立方米以上的預制工廠已超過1200家。

          預制混凝土樁企業復工之初經營管理仍存在一定困難,隨著交通運輸和上下游產業鏈的逐步恢復,企業生產進度快速提升。下半年市場明顯好轉,部分地區由于國家基建項目加大投入,預制混凝土樁需求較為旺盛,企業生產快速發力。據不完全統計,2020年新建預制混凝土樁生產廠20家左右,同時受環保節能政策的持續制約以及城市規劃的調整需要,部分預制混凝土樁企業停產整頓甚至關停退出市場,整體來看預制混凝土樁生產能力基本與上一年持平。

          混凝土管涵企業在疫情中生產經營活動普遍恢復較快,尤其是協會重點監測企業與上一年相比有不同程度的增長。據不完全統計目前我國各種規?;炷凉芎a企業約5000家。

          在疫情困境中行業生產的快速恢復有效保障了工程建設進度的提升,2020年前三季度累計固定資產投資增速實現由負轉正、全年固定資產投資同比增長2.9%,單季投資增速不斷提升、第四季度單季投資增速達到15.67%。

          圖片.png

          圖 2   2020年累計投資及當季投資同比增速(單位:%)

          Figure 2 Cumulative investment in 2020 and year-on-year growth rate of investment in the current quarter (unit:%)

           

          與混凝土與水泥制品行業密切相關的建筑業2020年投資增速則實現近幾年最好水平,同比增長9.2%;基礎設施投資中的道路運輸業、水利管理業投資實現小幅增長;房地產開發投資實現較快增長,全年投資同比增長7.0%。


          圖片.png

          圖 3   重點行業固定資產投資增速走勢(單位:%)

          Figure 3 Growth trend of fixed asset investment in key industries (unit:%)

           

          從細分數據來看,2020年建筑業房屋建筑施工面積同比增長3.68%,高于2019年1.36個百分點。房地產開發投資中建筑工程投資同比增長8.8%,是拉動房地產開發投資的主要力量;商品房施工面積同比增長3.7%。交通固定資產投資實現較快增長,全年投資預計同比增長7.1%,其中公路水路投資增長10.4%。

           

          3. 價格略有下降,一線與非一線城市存在較大價差

          2020年,全國商品混凝土年度均價為437.5元/立方米,較上一年均價低7元/立方米;2020年協會重點監測企業的房屋建筑預制混凝土構件產品價格較上一年也有所下滑。

          2020年原材料價格出現下滑,從全年走勢來看,水泥價格9月份開啟第二輪價格上漲,持續到12月底價格再次出現小幅下調;砂石價格4月份結束價格下行走勢,開始震蕩回升,6~8月南方梅雨季節期間再次震蕩回落,9月份再次邁入價格震蕩小幅回升通道。

          上半年商品混凝土價格保持下行走勢,一方面一季度傳統淡季價格出現周期性下滑;另一方面疫情導致需求、供給受限,原材料價格在二季度下滑周期出現加速下滑的現象導致商品混凝土價格同步下降。商品混凝土價格上漲滯后于原材料價格1個月左右,國慶節之后才確立價格上行走勢。

          圖片.png

          圖 4   2020年原材料價格走勢(單位:元/噸)

          Figure 4 Raw material price trend in 2020 (unit: yuan per ton)

           

          協會監測數據顯示,全國一線城市與非一線城市商品混凝土價格有較明顯價差,一線城市均價較非一線城市均價高57元/立方米左右;分地區來看,華北地區一線城市與非一線城市價格差最大,達到62元/立方米,價格差最小的是西北地區,一線城市與非一線城市價格差約為20元/立方米。

          從一線城市與非一線城市商品混凝土價格走勢來看,2020年下半年華北地區一線城市均價保持下行走勢,非一線城市在年末則出現價格上漲走勢;四季度華東地區一線城市價格持續小幅上漲,非一線城市則出現先降后漲的走勢。同時也可以看出一線城市價格波動活躍程度高于非一線城市,且波動幅度更大。


          圖片.png

          圖 5   2019、2020全國商品混凝土均價走勢比較(單位:元/立方米)

          Figure 5 Comparison of the average price trend of commercial concrete in China in 2019 and 2020(unit: yuan RMB per cubic meter)

           

          2020年年末全國商品混凝土均價為433元/立方米,較年初下降18元/立方米,全國各省會城市、直轄市年末市場均價及與年初價格比較見表2。

          圖片.png

          4. 行業經濟規模再創新高,成為建材工業重要支撐

          在全行業企業克服疫情不利影響的共同努力下,2020年混凝土與水泥制品行業主要經濟指標保持了穩定的增長,行業主營業務收入和利潤總額雙雙創歷史新高?!笆濉逼陂g混凝土與水泥制品行業收入規模在整個建材工業中保持排名第一,主營業務收入在建材工業中的占比從“十三五”初的16%上升至“十三五”末的32%,是建材工業的重要支撐行業。


          圖片.png

          圖 6   2020年行業主要經濟指標變化情況(單位:億元)

          Figure 6 Changes in major economic indicators of the industry in 2020 (unit: 100 million yuan RMB)

           

          2020年混凝土與水泥制品行業銷售利潤率為4.88%,較上一年提高0.13個百分點,仍低于整體工業和建材工業平均水平。

          圖片.png

          圖 7   混凝土與水泥制品行業銷售利潤率仍然偏低

          Figure 7 Sales profit margin of concrete and cement products industry is still on the low side

           

          2020年受疫情影響全行業虧損企業面較上一年有所擴大,期末應收賬款凈額較上一年期末增幅較大,期末應收賬款占主營業務收入比例達到38.24%,較上一年提高4.7個百分點。

           

          二、2021年行業發展展望

          2020年的新冠疫情推動了“百年未有之大變局”的加速變革,國際關系發生深刻變化;國內經濟結構加速構建新發展格局,創新、協調、綠色、開放、共享的新發展理念更加深入人心。展望2021年,混凝土與水泥制品行業在準確識變的基礎上將走上科學應變、篤定創新的更加健康可持續的發展之路。

          (一)疫情凸顯宏觀經濟韌性,支撐各產業結構持續優化

          2020年全國統籌疫情防控和經濟社會發展取得了重大成果,GDP邁上百萬億元新臺階,同比增長2.3%,成為全球唯一實現經濟正增長的主要經濟體。分季度來看,一至四季度GDP增速分別為-6.8%、3.2%、4.9%和6.5%,經濟超預期恢復,顯示出我國經濟發展的強大韌性。

          圖片.png

          圖 8   2020年GDP增長及三大產業對GDP增長的貢獻率(單位:%)

          Figure 8 GDP growth in 2020 and the contribution rate of the three major industries to GDP growth (unit:%)

           

          從產業結構來看,疫情對第三產業的影響較大,2020年第三產業GDP同比增速從上一年的7.2%下滑至2.1%,第二產業GDP同比增速從上一年的4.9%下滑至2.6%,第一產業GDP增速變化不大。2020年,經濟結構繼續優化,第三產業對經濟的支撐作用仍占主導地位,在GDP占比中達到54.5%,因此第三產業GDP的增長主導了全國經濟總量的增長方向;第二產業發揮了較好的支撐作用,工業生產恢復較好同時結構持續優化,制造業穩步增長奠定了良好的經濟恢復基礎,高技術制造業繼續發揮新動能優勢拉高工業增加值增長速度。

          圖片.png

          圖 9   制造業帶動工業增加值增速穩步恢復(單位:%)

          Figure 9 The manufacturing industry led the steady recovery of the growth rate of industrial value added (unit:%)

           

          制造業回升明顯,2020年制造業增加值增長3.4%,高于整體規上工業增加值增長率0.6個百分點,有力帶動了工業生產穩步恢復。其中裝備制造業增加值增長6.6%,持續發揮重要支撐作用;高技術制造業增加值增長7.1%,新興產品增長強勁。

          在此宏觀經濟環境下,混凝土與水泥制品行業順勢而為,產業結構將得到不斷優化。

           

          (二)優化營商環境政策頻發,有利于企業更好發揮活力

          近幾年,國家層面不斷出臺優化營商環境的相關法規政策,我國營商環境明顯改善。2020年受疫情影響,企業困難加劇,亟需進一步聚焦市場主體關切采取更多改革的辦法破解企業生產經營中的堵點痛點,國務院辦公廳及時發布了《關于進一步優化營商環境更好服務市場主體的實施意見》,依托大數據、人工智能等互聯網科技提升企業經營便利化。

          在政策的持續推動下,在構建“國內大循環為主體、國內國際雙循環相互促進”新發展格局的戰略下,國內市場主體活力得到大力激發與提升?;炷僚c水泥制品行業民營企業數量眾多,在政策支持下將能夠更好地發揮市場經濟主體的主動性和積極性,為國內大循環、國內國際雙循環新發展格局做出貢獻。

           

          (三)綠色發展深入推進,固廢利用成為行業使命和新增長點

          在綠色發展戰略的持續推動下,混凝土與水泥制品行業從資源保護、污染防治、節能減排、固廢處理和利用、生態修復等各個方面也在不斷踐行綠色發展理念,綠色發展早已成為全行業發展的共識。

          2020年政府提出了碳峰值和碳中和承諾,2021年2月22日國務院發布《關于加快建立健全綠色低碳循環發展經濟體系的指導意見》(以下簡稱《意見》),提出到2025年綠色低碳循環發展的生產體系、流通體系、消費體系初步形成;到2035年美麗中國建設目標基本實現?!兑庖姟诽岢觥敖∪G色低碳循環發展的生產體系”,首當其沖的是推進工業綠色升級,加快實施建材等行業的綠色化改造;促進工業固體廢物綜合利用;全面推行清潔生產等等。

          綠色低碳循環發展的相關政策必將大力推動全社會尤其是重點行業低碳發展的步伐,混凝土與水泥制品行業減碳、用碳技術創新也將得到加速推動;同時作為重要的利廢行業,混凝土與水泥制品行業的固廢綜合利用技術和應用推廣也將得到大力發展,并帶來新的經濟增長。

           

          (四)工業互聯網快速發展,行業智能制造轉型將取得突破

          隨著國家不斷深入推進工業與互聯網、信息化、智能化的融合,工業互聯網技術不斷突破,2020年12月工信部印發《工業互聯網創新發展行動計劃(2021-2023年)》,未來三年將是我國工業互聯網快速成長的關鍵期。

          2020年9月,工信部辦公廳印發《建材工業智能制造數字轉型行動計劃(2021-2023年)》提出了建材工業信息化、智能制造的發展目標:到2023年,建材工業信息化基礎支撐能力顯著增強,智能制造關鍵共性技術取得明顯突破,重點領域示范引領和推廣應用取得較好成效,全行業數字化、網絡化、智能化水平大幅提升,經營成本、生產效率、服務水平持續改進,推動建材工業全產業鏈高級化、現代化、安全化,加快邁入先進制造業。

          針對重點細分行業提出了重點建設任務:混凝土及水泥制品行業要重點形成制造執行管理、智能物流配送、在線質量監測的混凝土全產業鏈集成系統解決方案,以及集中攪拌分送、自動成型控制、骨架焊接運送、制品智能養護的水泥制品集成系統解決方案。利用新一代信息通信技術融合場景方向方面,提出要運用建筑信息模型技術促進建材和建筑無縫連接,大力發展部品化建材,實現建材全生命周期可追溯、可預測、可維護、可回收。

          《建材工業智能制造數字轉型行動計劃(2021-2023年)》提出了建材工業智能化、數字化轉型總體目標和具體建設任務,在國家不斷深化產融合作、加大政策支持的保障下,混凝土與水泥制品行業的數字化、智能化轉型將取得突破。

           

          (五)響應國家“十四五”規劃,創新驅動行業高質量發展全面升級

          《混凝土與水泥制品行業“十四五”發展指南》(初稿)指出“十四五”是混凝土與水泥制品行業轉換發展動能、改變發展方式,逐步轉向高端、高附加值、高質量發展的重要時期,以5G、人工智能、云計算、大數據、新能源、數字經濟、共享經濟等為代表的新一輪科技革命深入推進,為行業高質量發展提供了創新要素支撐。

          可以預見“十四五”開局之際,混凝土與水泥制品行業將掀起惟實勵新的高潮:從制度和機制創新為切入點,以關鍵技術攻關為突破口,通過應用創新建立更完善的“生態圈”,實現產品附加值的提升,最終實現全行業的創新全面升級、實現全行業的高端化發展,全面完成行業“十四五”發展目標。

           

          (六)2021年經濟增長目標確定,投資提速利好行業發展

          2021年1月以來,全國各地兩會陸續召開,政府工作報告相繼出爐,提出了較高的經濟增長目標。2020年疫情對幾乎所有省市自治區的經濟增長和固定資產投資都產生了較大影響,在基數較低的背景下,各省市制定的2021年經濟增長與固定資產投資增長目標較2020年實際水平均出現明顯提升,例如湖北提出10%的經濟增長目標是底線要求、并會盡最大努力去爭取更好結果,廣西、海南、云南2021年固定資產投資預期增長目標均超過10%。

          2021全國兩會政府工作報告提出2021年重點工作要堅持穩中求進的總基調,經濟增速目標為6%以上,保持宏觀政策連續性穩定性可持續性,促進經濟運行在合理區間;堅持擴大內需這個戰略基點,充分挖掘國內市場潛力,擴大有效投資,在更多領域讓社會資本進得來、能發展、有作為。

          2021年是“十四五”開局之年??梢灶A見,在構建新發展格局、推動高質量發展的主題下,為確保經濟增長目標,促進區域協調發展的重大工程建設以及涉及民生領域的水利、交通、老舊小區改造、城鎮化建設、鄉村振興建設及新基建投資力度將明顯加大,這將為2021年混凝土與水泥制品行業提供較好的需求空間,為企業創新升級提供保障和動力,企業生產和經濟規模將穩步提升,從而提高整個行業優化升級發展的水平。

          1.jpg


          In 2020, China's concrete and cement products industry resolutely implemented the decisions and arrangements of the CPC Central Committee, shrived to do a good job in epidemic prevention and control, quickly returned to work and production, and actively participated in the construction of national and local anti-epidemic projects. At the same time, the whole industry adhered to the road of innovative development, green development and intelligent development, overcomed difficulties, accelerated the reform of the supply-side structure and high-quality development of the industry, and promoted the stable growth of the economic operation of the industry. The output of key products and major economic indicators hit the new high.

          1 Review of the Economic Operation of the Industry in 2020

          1.1 Overview of main output and economic indicators

          (1) Main output

          In 2020, the cumulative output of key products in the industry, such as commercial concrete, concrete pressure pipes and precast concrete piles, increased year-on-year and reached an all-time high (see table 1).

          (2) Main economic indicators

          In 2020, the main business income of large-scale concrete and cement products industrial enterprises totaled 1.790651 trillion yuan RMB, an increase of 3.8% over the last year, and the total profit totaled 87.333 billion yuan RMB, an increase of 6.67% over last year. Although the growth rate is significantly lower than in 2019, the economy has reached a new high.

          1.2 The characteristics of the economic operation of the industry in 2020

          (1) Overcoming difficulties and showing responsibility

          In the first quarter, under the dual influence of the traditional off-season superimposed epidemic factors, the production and management of concrete and cement products enterprises were seriously restricted due to the delay of construction period, the hindrance of logistics and the rise of cost. In the second quarter, under the background of resolutely implementing the decisions and arrangements of the CPC Central Committee, scientifically coordinating epidemic prevention and control and economic and social development, doing a solid job of "six stability" and fully implementing the tasks of "six guarantees," the whole industry resumed work and ensured infrastructure construction at the first time, and quickly achieved a relatively high rate of resumption of work. At the end of April, the resumption rate of key precast concrete pile enterprises monitored by China concrete and cement-based products association reached 95%, and the key ready-mixed concrete enterprises reached 100%, the resumption rate of precast concrete components in key housing construction reached 100%.

          During the fighting against the epidemic, concrete and cement products enterprises effectively guaranteed the construction of anti-epidemic projects in places such as Leishenshan and Huoshenshan Hospital in Wuhan, Xiaotangshan Hospital in Henan version, and Xi'an Public Health Center, highlighting the emergency guarantee function of the industry in emergencies.

          (2) Effective force on the supply side to ensure the rapid recovery of the construction progress of the project

          Affected by the epidemic, the cumulative output of key products shrank sharply in the first quarter of 2020. Since April, the production of key industry segments has been restored rapidly, and the monthly output of key products such as commercial concrete and precast concrete piles increased year-on-year. Since August, the cumulative output of individual products increased compared with the same period last year.

          From the point of view of the production of subdivided industries, the production of ready-mixed concrete as the leading industry of capital construction has recovered rapidly, and the monthly output has maintained the trend of year-on-year growth since April, and the cumulative output has increased year-on-year since September. From a sub-regional point of view, in the six major regions of China, only North China showed a year-on-year decline, while the cumulative output of the other five regions increased year-on-year.

          The market of precast concrete components for housing construction has recovered well, and the production of enterprises in April has recovered or even exceeded the level of the same period of the previous year, and the market demand in some areas such as Shaanxi, Shandong, Shanghai and Beijing is better than that in 2019. According to incomplete statistics, there are nearly 200 new precast concrete production enterprises in 2020, and there are more than 1200 prefabricated factories with a scale of more than 30, 000 cubic meters by the end of 2020.

          At the beginning of the resumption of the work in precast concrete pile enterprises, there were still some difficulties in business management. With the gradual recovery of transportation and upstream and downstream industrial chains, the production progress of enterprises has improved rapidly. The market has obviously improved in the second half of the year. Due to the increased investment in national infrastructure projects in some areas, the demand for precast concrete piles is relatively strong, and the production of enterprises is developing rapidly. According to incomplete statistics, about 20 new precast concrete pile production plants were built in 2020. At the same time, due to the continuous restriction of environmental protection and energy conservation policies and the adjustment needs of urban planning, some precast concrete pile enterprises stopped production for rectification or even closed down from the market. On the whole, the production capacity of precast concrete piles is basically the same as that of the previous year.

          The production and operation activities of concrete pipe and culvert enterprises generally recovered quickly in the epidemic situation, especially the key monitoring enterprises of the association increased to varying degrees compared with the previous year. According to incomplete statistics, there are about 5000 concrete pipe culvert production enterprises of various sizes in our country at present.

          In the plight of the epidemic, the rapid recovery of industrial production effectively ensured the improvement of the progress of the project construction. In the first three quarters of 2020, the growth rate of  cumulative fixed asset investment changed from negative to positive, and the annual fixed asset investment increased by 2.9% compared with the same period last year. The growth rate of investment in a single quarter continued to increase, and the growth rate of investment in a single quarter reached 15.67% in the fourth quarter.

          In 2020, investment in the construction industry, which is closely related to the concrete and cement products industry, grew at the best rate in recent years, with an increase of 9.2% over the same period last year. Investment in road transport and water conservancy management industries in infrastructure investment grew slightly; and investment in real estate development grew rapidly, with an annual investment growth rate of 7.0% over the same period last year.

          According to the breakdown data, the construction area of the construction industry increased by 3.68% in 2020 compared with the same period last year, which is 1.36% higher than that in 2019. Among the real estate development investment, the construction investment increased by 8.8% compared with the same period last year, which is the main force to promote the real estate development investment; the construction area of commercial housing increased by 3.7% over the same period last year. Investment in transportation fixed assets has achieved relatively rapid growth, and investment for the whole year is expected to grow by 7.1% compared with the same period last year, of which highway and waterway investment increased by 10.4%.

          (3) The price has dropped slightly, and there is a large price difference between first-tier and non-first-tier cities

          In 2020, the annual average price of commercial concrete was 437.5 yuan RMB per cubic meter, which was 7 yuan RMB per cubic meter lower than that of the previous year. The price of precast concrete components of housing construction in key monitoring enterprises of the association also declined compared with the previous year in 2020.

          The price of raw materials declined in 2020, especially cement, began the second round of price rise in September and continued to decline slightly again until the end of December. The price of sand and gravel ended its downward trend in April and began to shock and pick up, it fluctuated again during the southern plum rain season from June to August, and entered the channel of price shock and slight recovery again in September.

          Commercial concrete prices maintained a downward trend in the first half of the year. On the one hand, traditional off-season prices declined periodically in the first quarter; on the other hand, the epidemic led to limited demand and supply, and the accelerated decline in raw material prices in the second quarter led to a simultaneous decline in commercial concrete prices. The rise in the price of commercial concrete lags behind the price of raw materials for about a month, and the upward trend of prices was not established until after the National Day.

          Association monitoring data show that there is an obvious price difference in commercial concrete prices between first-tier cities and non-first-tier cities across the country, and the average price in first-tier cities is about 57 yuan RMB per cubic meter higher than that in non-first-tier cities. From a regional point of view, the price difference between first-tier cities and non-first-tier cities in North China is the largest, reaching 62 yuan RMB per cubic meter, the smallest price difference is in the northwest region, and the price difference between first-tier cities and non-first-tier cities is about 20 yuan RMB per cubic meter.

          Judging from the price trend of commercial concrete in first-tier cities and non-first-tier cities, the average price of first-tier cities in North China maintained a downward trend in the second half of 2020, while the prices in non-first-tier cities increased at the end of the year. The prices in first-tier cities in East China continued to rise slightly in the fourth quarter, while those in non-first-tier cities showed a trend of falling first and then rising. At the same time, it can also be seen that the activity of price fluctuation in first-tier cities is higher than that in non-first-tier cities, and the fluctuation range is greater.

          At the end of 2020, the average price of commercial concrete in China is 433 yuan RMB per cubic meter, which is 18 yuan RMB per cubic meter lower than that at the beginning of the year. The average market prices of provincial capitals and municipalities directly under the Central Government at the end of 2020 and the prices at the beginning of the year are as table 2.

          (4) The economic scale of the industry has reached a new high and has become an important support for the building materials industry

          With the joint efforts of enterprises in the whole industry to overcome the adverse effects of the epidemic, the main economic indicators of the concrete and cement products industry maintained steady growth in 2020, both the main business income and total profits of the industry reached record highs. During the 13th five-year Plan period, the income scale of the concrete and cement industry ranked first in the whole building materials industry, and the proportion of main business income in the building materials industry rose from 16% at the beginning of the 13th five-year Plan to 32% at the end of the 13th five-year Plan, which is an important supporting industry for the building materials industry.

          In 2020, the sales profit margin of the concrete and cement products industry was 4.88%, an increase of 0.13% over the previous year, still lower than the average level of the overall industry and building materials industry.

          In 2020, the loss-making enterprises in the whole industry affected by the epidemic expanded compared with the previous year, and the net accounts receivable at the end of the period increased significantly compared with the end of the previous year, the proportion of accounts receivable to the main business income reached 38.24%, an increase of 4.7% over the previous year.

           

          2 Prospects for the Development of the Industry in 2021

          The epidemic of COVID-19 in 2020 promoted the accelerated change of "great changes not seen in a century", and profound changes took place in international relations. The domestic economic structure accelerated the construction of a new development pattern, and the new development concept of innovation, coordination, green, openness and sharing was more deeply rooted in the hearts of the people. Looking forward to 2021, the concrete and cement products industry will embark on a more healthy and sustainable development road of scientific response and firm innovation on the basis of accurate understanding of change.

          2.1 The epidemic highlights macroeconomic resilience and supports the continuous optimization of various industrial structures

          Great achievements have been made in the prevention and control of epidemic situation and economic and social development throughout the country in 2020. GDP reached a new level of 100 trillion yuan RMB, an increase of 2.3% over the same period of last year, making it the only major economy in the world to achieve positive economic growth. From a quarterly point of view, the GDP growth rate from the first to the fourth quarter was-6.8%, 3.2%, 4.9% and 6.5% respectively, and the economy recovered faster than expected, showing the strong resilience of China's economic development.

          From the perspective of industrial structure, the epidemic has a great impact on the tertiary industry. In 2020, the year-on-year growth rate of GDP in the tertiary industry dropped to 2.1% from 7.2% in the previous year, and the GDP growth rate in the secondary industry dropped to 2.6% from 4.9% in the previous year, the GDP growth rate of the primary industry has not changed much. In 2020, the economic structure continued to be optimized, and the tertiary industry still played a leading role in supporting the economy, accounting for 54.5% of GDP. Therefore, the growth of GDP of the tertiary industry dominated the growth direction of the national economy. The secondary industry played a better supporting role, the industrial production recovered well while the structure was continuously optimized, the steady growth of the manufacturing industry laid a good foundation for economic recovery, and the high-tech manufacturing industry continued to give full play to the advantage of new momentum to increase the growth rate of industrial added value.

          The manufacturing industry rebounded significantly, and the added value of the manufacturing industry grew by 3.4% in 2020, which was 0.6% higher than the overall growth rate of industrial added value, which strongly led to the steady recovery of industrial production. Among them, the added value of the equipment manufacturing industry grew by 6.6%, which continued to play an important supporting role. The added value of the high-tech manufacturing industry grew by 7.1%, and the growth of emerging products was strong.

          In this macroeconomic environment, the concrete and cement products industry conforms to the trend, and the industrial structure will be continuously optimized.

          2.2 The frequent occurrence of policies to optimize the business environment will help enterprises to give full play to their vitality

          In recent years, relevant regulations and policies to optimize the business environment have been continuously introduced at the national level, and the business environment in China has improved significantly. Affected by the epidemic in 2020, the difficulties of enterprises intensified, and there is an urgent need to further focus on the concerns of market participants and adopt more reform measures to solve the pain points in the production and operation of enterprises. the General Office of the State Council promptly issued The implementation opinions on further optimizing the business environment and better serving market entities, relying on internet technologies such as big data and artificial intelligence to improve business facilitation.

          Under the continuous promotion of the policy and the strategy of building a new development pattern of "domestic cycle as the main body, domestic and international double cycles promote each other", the vitality of the main body of domestic market has been greatly stimulated and promoted. There are a large number of private enterprises in concrete and cement products industry, with the support of policies, they will be able to give better play to the initiative and enthusiasm of the main body of the market economy and contribute to the new development pattern of domestic and international circulation.

          2.3 With the further promotion of green development, the utilization of solid waste has become the mission and new growth point of the industry

          Under the continuous promotion of the green development strategy, the concrete and cement products industry is constantly implementing the concept of green development from the aspects of resource protection, pollution prevention, energy saving and emission reduction, solid waste treatment and utilization, ecological restoration and so on, green development has already become the consensus of the development of the whole industry.

          The government put forward the promise of carbon peak and carbon neutralization in 2020, on February 22, 2021, the State Council issued The guidance on speeding up the establishment and improvement of a green and low-carbon circular development economic system (hereinafter referred to as the opinion). It is proposed that the production system, circulation system and consumption system of green and low-carbon circular development will be initially formed by 2025, and the goal of building a beautiful China will be basically achieved by 2035. The opinion put forward"perfecting the production system of green and low-carbon circular development",in which the first thing is to promote the green upgrading of industry, speed up the implementation of green transformation of building materials and other industries, promote the comprehensive utilization of industrial solid waste, and carry out cleaner production in an all-round way.

          The relevant policies of green and low-carbon circular development will vigorously promote the low-carbon development of the whole society, especially the key industries, and the technological innovation of carbon reduction and carbon use in the concrete and cement products industry will also be accelerated. At the same time, as an important industry of waste utilization, the solid waste comprehensive utilization technology and application promotion of concrete and cement products industry will also be vigorously developed, and bring new economic growth.

          2.4 With the rapid development of industrial internet, the transformation of intelligent manufacturing in the industry will make a breakthrough

          With the continuous promotion of the integration of industry and internet, information technology and intelligence, and the continuous breakthroughs in industrial internet technology, the Ministry of Industry and Information Technology issued the Industrial Internet innovation and development action plan (2021-2023) in December 2020, the next three years will be the key period for the rapid growth of China's industrial internet.

          In September 2020, the General Office of the Ministry of Industry and Information Technology issued the Action plan for digital transformation of intelligent manufacturing in building materials industry (2021-2023), which put forward the development goal of informatization and intelligent manufacturing in building materials industry, that is, by 2023, the basic supporting capacity of informatization in building materials industry has been significantly enhanced, the key common technologies of intelligent manufacturing have made obvious breakthroughs, and good results have been achieved in demonstration, guidance, promotion and application in key areas,the level of digitalization, networking and intelligence of the whole industry has been greatly improved, and the operating cost, production efficiency and service level have been continuously improved, promoting the upgrading, modernization and safety of the whole industrial chain of the building materials industry, and speeding up the entry into advanced manufacturing industry.

          Aiming at the key subdivided industries, key construction tasks are put forward: The concrete and cement products industry should focus on forming a concrete industry chain integrated system solution of manufacturing execution management, intelligent logistics and distribution, and on-line quality monitoring, and the cement products integrated system solution of centralized mixing and distribution, automatic forming control, skeleton welding and transportation, and intelligent maintenance of products. In the aspect of using the new generation of information and communication technology to integrate the scene direction, it is proposed that the building information model technology should be used to promote the seamless connection between building materials and buildings, and vigorously develop compartmentalized building materials to achieve traceability, predictability, maintainability and recycling of the whole life cycle of building materials.

          The action plan for digital transformation of intelligent manufacturing in building materials industry (2021-2023) puts forward the overall objectives and specific construction tasks of intelligent and digital transformation of building materials industry. Under the guarantee of deepening industry-finance cooperation and increasing policy support, the digital and intelligent transformation of concrete and cement products industry will make a breakthrough.

          2.5 In response to the National 14th five-year Plan, innovation-driven industries will be upgraded in an all-round way

          The Guide to the development of concrete and cement products industry during the 14th five-year Plan (the first draft) points out that the 14th five-year Plan is an important period for the concrete and cement products industry to change its development momentum and mode of development, and gradually shift to high-end, high value-added and high-quality development. A new round of scientific and technological revolution represented by 5G, artificial intelligence, cloud computing, big data, new energy, digital economy and sharing economy has been further promoted which provides innovative elements support for the high-quality development of the industry.

          It can be predicted that at the beginning of the 14th five-year Plan, the concrete and cement products industry will set off the most exciting part, such as from the system and mechanism innovation as the starting point, to tackle key technologies as the breakthrough, through the application of innovation to establish a more perfect "ecosystem", to enhance the added value of products, and finally to achieve the overall upgrading of innovation and high-end development of the whole industry, and to fully complete the development goal of the industry's 14th five-year Plan.

          2.6 The target of economic growth in 2021 will be set, the acceleration of investment will be good for the development of the industry

          Since January 2021, the two conferences across the country have been held one after another, and the government work reports have been released one after another, putting forward higher economic growth targets. The epidemic in 2020 had a great impact on economic growth and fixed asset investment in almost all provinces, cities and autonomous regions. Under the background of a low base, the economic growth and fixed asset investment growth targets set by provinces and cities in 2021 are significantly higher than the actual level in 2020. For example, the economic growth target of 10% is the bottom line requirement and will do its best to strive for better results in Hubei. Fixed asset investment in Guangxi, Hainan and Yunnan is expected to grow by more than 10% in 2021.

          Government work report of the two sessions of the National people's Congress in 2021 proposed that the key work in 2021 should adhere to the general tone of seeking progress in the midst of stability, with an economic growth target of more than 6%, maintain the continuity, stability and sustainability of macro policies, and promote economic operation in a reasonable range; adhere to the strategic basic point of expanding domestic demand, fully tap the potential of the domestic market, expand effective investment, and enable social capital to enter, develop and make a difference in more areas.

          2021 is the opening year of the 14th five-year Plan. It can be predicted that under the theme of building a new development pattern and promoting high-quality development, in order to ensure the goal of economic growth, major projects to promote coordinated regional development, as well as water conservancy, transportation, renovation of old residential areas, urbanization, rural revitalization and new infrastructure investment in the fields of people's livelihood will be significantly increased, which will provide a better demand space for the concrete and cement products industry in 2021, and provide guarantee and motivation for the innovation and upgrading of enterprises. Enterprise production and economic scale will increase steadily, so as to improve the level of optimization and upgrading development of the whole industry. 

           

          文章來源:原文參見《混凝土世界》2021年03期 P8~P20

          Article source:See the original text in Concrete World, No. 03, P8~P20, 2021

          欧美精品视频在线观看,欧洲熟妇精品视频,新play精品视频视频在线观看,久视频精品线在线观看 呦女精品 99精品视频69v精品视频 欧美精品第50页 国产2020最新精品视频 国产成人精品 欧美精品视频线观看 99热这里只有免费精品 在线观看精品国产福利片 青青热久免费精品视频 99热精品在线观看 这里只有精品在线视频 国产一区精品 99er视频精品免费观看 99精品视频只有精品高清6 96sao精品视频免费观看 亚洲精品无播放器在线播放 337p日本欧洲亚洲大胆精品 99视频有精品视频高清 app 九九视频精品视频在线观看视频 这里只有精品在线视频 7m国产精品分类视频 2020最新99精品视频在线观看 欧美精品高清在线观看 3d动漫精品专区 日韩精品一区 国产在线精品 97视频精品全国免费观看 sihu国产精品视频 欧美日韩精品 九九视频精品 99视频这里只有精品99 老色鬼在线视频精品视频 九九热线在线精品视频 欧美人与动牲交a欧美精品 99精品视频 99久re热视频精品98 这里只有精品在线视频 国产精品第10页 好吊日精品视频 7m国产精品分类视频 手机国产乱子伦精品视频 99er视频精品免费观看 2018av天堂在线视频精品观看 精品小视频 91精品视频在线 91精品在线视频 96sao精品视频免费观看 窝窝午夜看片国产精品 国产精品第44页 99久热国产精品视频 99热这里只有的精品20 99re66在线观看精品免费 九九视频这里只有精品99 98视频精品全部国产 99在线热播精品免费 国产成人精品 996热在线视频这里只精品 99re66在线观看精品免费 呦女精品 午夜精品 98视频精品全部国产 2020自拍系列精品视频 玖玖精品视频 538精品视频 新play视频新精品视频在线 国产精品自拍 人妖系列精品视频在线观看 精品国产网红主播在线直播网 sihu国产精品视频 国产精品主播手机在线播放 999精品色在线播放 精品小视频 91精品视频在线 精品日韩 亚洲精品在线观看 yoyo萝li精品资源 欧美精品高清在线观看 99视频这里只有精品99 国产精品偷伦视频免费观看 国产在线精品 97视频精品全国免费观看 国产成人精品视频 99er视频精品免费观看 99九九99九九九视频精品 精品精品国产自在97香蕉 在线精品自偷自拍 亚洲精品第一页 98视频精品全部国产 亚洲精品在线 窝窝午夜看片国产精品 99视频有精品视频高清 app 精品精品国产自在97香蕉 国产对白在线观看精品 青草社区在线视频精品 国产成人精品视频
          国产综合色在线精品 996热免费精品在视频久 99热精品在线观看 国产精品专区 精品国产在天天线2019 久草精品在线 在线午夜精品自拍小视频 99视频精品羞羞色院 999精品视频 yoyo萝li精品资源 久热精品视频 最新晚上碰碰精品视频 91精品手机国产在线 欧美精品一区 99热国产精品 haodiaoniu视频只精品 国产精品自拍视频 精品国精品国产自在久国产 5151h国产精品 欧美处破摘花精品 国产精品网曝门在线观看 国产精品第二页 欧美精品v在线视频 精品国内在视频线2019 青春娱乐视频精品盛宴 在线香蕉精品视频 2018国产精产品在线不卡 97视频精品全国免费观看 国产在线精品二区 99精品视频免费热播在线观看 99re66热这里只有精品3 国产精品 熟女 日韩精品视频 尤物久久99国产综合精品 99视频有精品视频高清 app 老司机在线精品视频网站 国产精品第一页 2018国产精产品在线不卡 老司机亚洲精品影院 色鬼123在线视频精品 老司机精品视频在线观看 任我爽在线视频精品爽538 国产精品第二页 98视频精品全部国产 国产精品香蕉在线观看网 99在线热播精品免费 草莓精品导航 99re热这里只有精品 九九热这里只有精品视频 这里只有精品视频 538精品在线 老司机67194精品线观看 99re6在线视频精品免费10 久草精品在线 精品久久久久久中文字幕 国产综合色在线精品 99re66热这里只有精品4 极品私人尤物在线精品 青草社区在线视频精品 新play精品视频视频在线观看 国产精品一区第二页 2019精品国产 厕沟精品清晰女厕正面 精品国产品香蕉在线 91精品在线 99视频这里只有精品 精品精品国产自在97香蕉 国内精品视频 99re66热这里只有精品3 97视频精品全国免费观看 99re66在线观看精品免费 欧美精品一区 996热在线视频这里只精品 极品盛宴在线只有精品 538精品在线 精品套 图超市片亚洲150p 老色鬼精品视频在线观看 精品国产愉拍 窝窝午夜看片国产精品 jizz国产精品 haodiaoniu视频只精品 337p日本欧洲亚洲大胆精品 国产视频精品 久草精品视频 亚州精品 97视频精品全国免费观看 尤物在线精品视频 亚洲精品中文字幕 国产精品第一页 99热国产精品 国内精品 第一页 呦女精品 国产精品专区 国产精品第100页 欧美精品高清在线观看 99re6热在线精品视频播放 欧美精品第一页 99九九99九九九视频精品 96精品视频在线观看 青草青草久热这里只有精品 2020国自产拍精品网站不卡 在线精品自偷自拍 精品视频在线观视频观看 亚洲精品这里只有精品 九九这里只有精品 精品一区 182tv精品视频tv在线观看 在线观看91精品国产 91精品手机国产在线 91精品在线 国产精品第40页 在线欧美精品视频二区 国产午夜精品美女视频 99re66热这里只有精品3 7m国产精品分类视频 99re视频热这里只有精品38 国产精品第102页 老色鬼在线视频精品视频 色吊妞视频这里有精品 国产精品系列 国产精品电影 999精品视频 99er视频精品免费观看 国产啪精品视频网站免费 国产一区精品 99视频精品全部在线观看 7m精品福利视频导航 99在线热播精品免费 青青热久免费精品视频在 99er视频精品免费观看 国产欧美日韩精品专区 好吊日精品视频 人妖系列精品视频在线观看 国产精品第100页 国产精品视频超级碰 2020国自产拍精品网站不卡 国产精品电影 欧美精品第一页 欧美日韩国产精品 国产精品香蕉在线观看网 国产1024精品论坛 国产视频精品 996热在线视频这里只精品 97视频热人人精品免费 精品国产网红主播在线直播网 99久热只有精品视频在线17 欧美人与动牲交a欧美精品 在线精品自偷自拍 丝袜导航500精品 老司国产精品免费视频 99久re热视频精品98 久九九久精品视频在线32 国产精品第44页 国产精品国产名人在线 国产精品系列 欧美精品视频线观看 999精品视频 草莓精品导航 国产精品 第1页 国产精品第40页 婷婷精品视频在线观看 99精品视频 国产精品7m视频 91精品视频在线 天天欢夜夜爽视频精品 玖玖精品视频 隔壁老王国产在线精品 97视频精品全国免费观看 亚洲国产精品高清在线 91精品手机国产在线 99视频精品全部在线观看 新play精品视频视频在线观看 国产精品第44页 2020自拍系列精品视频 国产精品国产三级国产专区 99热国产精品 久热爱精品视频线路一 91在线精品视频 好吊日精品视频 1717she精品国产 国产精品 熟女 96精品视频在线观看 国产一区精品 99热国产这里只有精品6 九九这里只有精品 欧美精品xxxx 欧洲熟妇精品视频 老色鬼在线视频最新精品 国产精品国产三级国产专区 久热爱精品视频线路一 精品三级 欧美在线精品免播放器视频 99热这里都是精品 青青青免费精品视频在线观看 91在线精品 欧美日韩国产精品 精品久久久久久中文字幕 这里只有精品99 99热精品在线 凹凸精品视频分类视频 欧美精品视频线观看 99精品视频免费热播在线观看 欧洲熟妇精品视频 99re66热这里只有精品3 亚洲精品视频在线观看 国产成人精品 国产精品91 任你躁在线精品免费 国产导航第一精品福利品牌 99视频热这里精品首页 热九九99香蕉精品品 国产精品第100页 欧美精品xxxx 99精品视频免费热播在线观看 99re6在线视频精品免费10 久9视频这里只有精品8 新play视频新精品视频在线 99热这里只有免费精品 jizz国产精品 厕沟精品清晰女厕正面 精品3d动画动漫资源网址 日韩精品一区 青草青草久热精品视频 精品在线视频 久热爱精品视频线路一 99re视频热这里只有精品38 婷婷精品视频在线观看 久热爱精品视频线路一 国产精品 熟女 窝窝午夜看片国产精品 亚洲国产精品高清在线 青草青草久热这里只有精品 2020国自产拍精品网站不卡 九九热线有精品视频35 九九精品在线 久九九久精品视频在线32 欧美处破摘花精品 国产精品第40页 99热九九这里只有精品10 青草青草久热这里只有精品 caopeng超pen在线精品视频 九九视频精品视频在线观看视频 青草热在线精品视频99 99热精品在线 精品精品国产自在97香蕉 国产午夜精品美女视频 中文字字幕在线精品乱码 欧美色国产精品中精品 97视频热人人精品免费 久9视频这里只有精品8 欧美精品在线观看 九九热这里只有精品 91精品视频在线 欧洲熟妇精品视频 国产精品10p 这里只有精品视频 国产精品第二页 69影院精品性视频 亚州精品 国产精品视频线观看26uuu 青青热久免费精品视频在 极品私人尤物在线精品 精品国产网红主播在线直播网 国产精品三级 99视频这里只有精品99 99视频热这里只有精品免费 天天欢夜夜爽视频精品 国产亚洲精品资源在线26U 久热这里只有精品 爱暴露户外露出精品合集 国产精品三级 996热免费精品在视频久 182tv精品视频tv在线观看 极品私人尤物在线精品 国产在视频线精品视频 精品三级 爱暴露户外露出精品合集 91精品自拍 九九视频精品 欧美色国产精品中精品 国产精品第二页 99视频热这里只有精品免费 亚州精品 欧美精品高清在线观看 青春娱乐视频精品盛宴 国产对白在线观看精品 青草青草久热精品视频 亚洲精品在线观看 天天欢夜夜爽视频精品 新play视频新精品视频在线 99在线热播精品免费 香蕉免费永久精品视频 97视频热人人精品免费 九九热这里只有精品 老色鬼在线精品视频 国产午夜精品美女视频 尤物久久99国产综合精品 久9视频这里只有精品8 老司机午夜免费精品视频 最新国产精品亚洲 欧美精品视频线观看 四虎永久在线精品免费 国产精品第12页 国产视频精品 sihu国产精品视频 国产精品第100页 色妞www精品视频 久视频精品线在线观看 国产综合色在线精品 96精品视频在线观看 99re热这有精品免费66 国产精品偷伦视频免费观看 96sao精品视频免费观看 山外人精品影院 国产精品k频道在线观看 亚洲精品在线视频 精品韩国三级在线观看视频 玖玖精品视频 国产精品13p 国产精品网站 国产精品视频每日更新 在线视频精品 99视频热这里只有精品免费 久久精品中文字幕 这里只有精品视频 亚洲精品456在线播放 亚州精品 青草青草久热精品视频 九九热这里只有精品视频 欧美日韩精品 九九视频免费精品视频 色妞www精品视频 这里只有精品在线视频 国产在线精品二区 yoyo萝li精品资源 精品丝袜国产自在线拍 国产精品第三页 99视频热这里只有精品免费 99热这里只有精品6 538免费精品视频国产 露脸调教丝袜精品调教视频 久热re这里精品视频在线6 中文字字幕在线精品乱码 7m精品福利视频导航 婷婷精品视频在线观看 国产精品自拍 香蕉热线精品视频在线 91精品在线观看 手机国产乱子伦精品视频 亚洲综合精品第一页 丝袜导航500精品 国产精品免费 2018国产精产品在线不卡 新play视频新精品视频在线 国产精品_国产精品_k频道 天堂在线精品视频在线观看 人妖系列精品视频在线观看 国产精品偷伦视频免费观看 欧美日韩国产精品 欧美精品v在线视频 7m国产精品分类视频 久草精品在线 动漫精品3d无尽视频网站 996热免费精品在视频久 精品国产在天天线2019 国产亚洲精品资源在线26u 婷婷精品视频在线观看 新play精品视频视频在线观看 337p日本欧洲亚洲大胆精品 99re视频热这里只有精品38 97视频精品全国免费观看 swag系列国产精品 国产午夜亚洲精品不卡 国产精品电影 任我爽精品视频在线播放 国产精品第21页 99热这里有精品 九九精品在线 热九九99香蕉精品品 亚洲精品无播放器在线播放 91精品手机国产在线 超级碰热视频精品97 草莓精品导航 欧美精品视频 九九热精品在线 国产精品自在线拍 青春娱乐视频精品99 国产精品香蕉在线观看网 yoyo萝li精品资源 99re8这里只有的精品热 国产极品白嫩精品 99热这里只有精品6 国内揄拍国内精品 亚洲精品456在线播放 国产精品第一页 国产精品自拍 日日精品 欧美精品在线 99久热精品免费观看四虎 亚洲综合精品第一页 九九热在线视频精品 国产精品第二页 精品小视频 在线香蕉精品视频 欧美精品视频在线观看 精品日韩 国产精品第三页 欧美精品视频 2020每日更新国产精品视频 青春娱乐视频精品盛宴 欧美日韩精品 婷婷精品视频在线观看 99精品在线 99精品视频69v精品视频 日韩精品欧美精品视频一区 久热爱精品视频在线 草莓精品导航 国产精品视频线观看26uuu 欧美色国产精品中精品 色吊妞视频这里有精品 99热九九这里只有精品10 山外人精品影院 97视频精品全国免费观看 欧美精品视频 九九精品 露脸调教丝袜精品调教视频 国产精品_国产精品_k频道 任我爽在线视频精品爽538 精品久久久久久中文字幕 青草社区在线视频精品 玖玖精品视频 国产精品一区二区 国产精品_国产精品_k频道 国产视频精品 久九九久视频精品免费 精品国产自在钱自 99热这里只有精品6 国产精品网曝门在线观看 免费观看四虎精品国产 久re在线精品观看9 2020香蕉精品国产自在现 国产精品揄拍视频 欧美色国产精品中精品 精品国产愉拍 2020国产精品 亚洲精品这里只有精品 99九九99九九九视频精品 久热爱精品视频线路一 国产精品系列 色妞www精品视频 老色鬼精品视频在线观看 2020香蕉精品国产自在现 欧美一级精品视频 新play视频新精品视频在线 精品国偷自产在线 99视频这里只有精品 青草社区在线视频精品 91精品自拍 97视频热人人精品免费 国产精品一区第二页 久久这里只有精品视频 老司国产精品免费视频 国产jk制服精品视频 欧洲熟妇精品视频 99热在线精品 亚洲精品这里只有精品 国产精品ktv包房 九九视频精品 国产精品第44页 337p日本欧洲亚洲大胆精品 久草精品在线 国产精品第二页 任我爽在线视频精品爽538 山外人精品影院 色鬼123在线视频精品 日韩精品在线观看 国产精品自在线拍 国产精品专区 2018av天堂在线视频精品观看 99热这里只有免费精品 欧洲熟妇精品视频 免费视频精品三八 欧美日韩国产精品 国产精品91 尤物久久99国产综合精品 在线欧美精品视频二区 精品日韩 99九九99九九九视频精品 久热爱精品视频线路一 九九热这里只有精品视频 热九九99香蕉精品品 国产最新进精品视频 性欧美俄罗斯精品 任我爽精品视频在线播放 久久这里只有精品视频 日韩精品第1页 国产午夜亚洲精品不卡 欧美精品在线观看 国产精品第44页 日韩精品第1页