97色在线,日韩在线香蕉视频,婷婷ab网,日韩人妻不卡一二

For home ★ Join collectio Chinese English
Home News About us Installation branch Pressure testing branch Lining repairing branch Crossing department International branch Inland branch Department Customer opinion
News
Corporate Culture
Engineering Information
Notice
Career Center
 
You now:Home > English > News > Engineering Information
Congratulate DN2000 pipeline stainless steel lining project of Shenyang Water   Company successfully to complete
 
    January 8, 2018, the pipeline project DN2000 stainless steel lining repair project of Shenyang water company was successfully completed. The project pipeline total length is about 5910 meters, pipe specification is DN2000 concrete pipe, wall thickness is 220mm. The commencement of this project made Henan Zhongtuo break through the first once again in the country with the largest diameter of 2m pipeline and accumulated valuable experience for the future large-diameter pipeline repairing in our country.
  
     The pipeline was laid in the nineties and has been in operation for more than 20 years. The pipeline has been subject to heavy soil pressure and large-scale vehicle moving shocks, causing more leakage points and serious waste of water resources, adding routine maintenance work. In order to ensure that the pipeline safe operation, environmental protection, reduce the workload of earth excavation, the pipeline using long-term trenchless stainless steel lining repairing technology for the old pipeline .
 
     The project time is tight and short duration, the owners asked not to stop the water, the entire project team at the more time continuously construct at night. In order to ensure the construction quality, under the leadership of Northeast Branch Manager of Zhang Hefeng, all the project staffs actively cooperate with the work, the staff's serious working attitude and the excellent repair technology of the company have won the praise of the owners. For the company won the honor once again.
                                                       Welding in the pipe
                                                           Pipe laying
                                                       Construction site

Previous: Haixi Pipeline HDD Crossing Successfully
Next: Tahe broken pipe project engineering smoothly

  
About us /  Customer service / Contact us Copyright ? 2010 Henan ZhongTuo Petroleum Engineering Technology Co.,Ltd All rights reserved
豫ICP備05002509號(hào)
亚洲欧美韩国日本中文一区| 三级片黄色午夜福利| 日韩欧美一卡二卡三卡四卡| 国产99久久一区二区不卡无毒| 亚洲AV偷拍自拍图片| 日韩第一页夜| 人妻后入人妻一区| 美女全裸18禁网站| 夜夜久久婷婷| 日本偷拍精品一区| 天天日天天干天天操Aⅴ| 日韩伦理国产亚洲色图在线观看 | 国产女人18毛片水真多| 国产天天射一区二区三区| 久久精品三级片观看| 日韩欧美 国产熟女| 加勒比不卡区一| free 亚洲二区| 日韩性生活视频网站免费视频| 黄片精品地址| 一区二区三区熟女 - 百度| 日本精品人人人| 亚洲在线porn| 亚洲ⅴ国产v天堂a无码二区 | 熟女内射婷婷色| 国偷自产Av一区二区三区1| 人澡人澡人人澡欧美| 户外插逼视频| 久久久久久久成人视频| 99久久久久久久免费| 久久久黄色网址| 中文字幕无码网址一| 最新曝光艹b网站| 色诱网站在线| 亚欧洲乱码日韩无码中文字幕| AV日韩伦理在线观看| 久久毛片精品网| 大香蕉AV伊网在线| 2020.无码| 丁香五月婷婷动态图片视频| 无码精品国产91福利|