800mm SN4 SN8 HDPE Large Plastic Double Wall Corrugated DWC Drain Culvert Pipe for Waste and Drainage

Beijing Zhongcaiwanxin Science & Technology Co., Ltd. Is a modernized enterprise integrating research development, manufacture and sales of plastic fittings.There are 4 manufacturing bases through Beijing,Hebei and northeast China processing more than 70 international standard production lines with annual production capacity of over 100 thousand tons.Our main products includes HDPE pipes,PVC-U pipes, M-PP electric conduit,PE-RT pipes, siphon drainage, gas pipeline and double corrugated pipes.

Since its establishing, we adhere to the “exquisite quality, Excellence pursuing” approach, and unremittingly carry out implementation of ISO9001:2008 quality management system, ISO4001 environmental management system, ISO28001 occupational health and safety management system, Xinhua water-saving authentication and Beijing sanitation permission.

Through continuous development, we have set up 30 more wholly owned subsidiaries in Beijing, Hebei, Shandong, northeast China, Inner Mongolia and other provinces and cities, and our business spread to most of the rural areas with sound service system, which has been widely recognized by the industries. “Endeavor to be the leading enterprise of Chinese pipe industry ” is the common goal of every one holding Gaotong Brand.

We are willing to hold hands with friends from the community and social circles make commit ourselves to new friendly-environmental pipelines service of our world!