Guangdong China Heng plastic industry development limited, a company engaged in municipal engineering pipeline production and sales of private enterprises the production base is located in the city of China's manufacturing industry Guangdong Dongguan, China Heng plastic produced a new type of polyethylene plastic wound drain pipe is Harbin Institute of Technology Xinghe industrial limited company patented products, mainly in the high density polyethylene ( HDPE ) and strip raw materials, is a new type of environmentally friendly gravity drainage pipeline, conventional product specifications DN200-DN2800, is suitable for the urban drainage system, plastic wound drain pipe and its preparation method has been in foreign countries to obtain patents for inventions, is a reliable, cost-effective superior products. This product and the traditional metal pipes, cement pipes compared, has the advantages of light weight, high strength, corrosion resistance, water resistance, convenient installation, good sealing performance, strong load capacity of non normal burst, transport and construction of low cost, long life and other characteristics. At the same time in the continuous emergence of new metal plastic composite pipe, polyethylene plastic wound drain pipe structure and product superiority has time verification, is a can choose rest assured products.