plastic co., Ltd. (for details, consult: www.shandonghaochen.com ), specializing in pipes , PE burning the trachea and double wall corrugated pipe and other production and marketing, is a professional production of steel with reinforced HDPE double wall corrugated pipe, PE corrugated pipe, PE pipe, gas pipe, pipe for mining enterprises. the company production of HDPE double wall flared online, enhances the compactness of flare cartridges durability, widely used in discharge pipes, municipal sewage, electric wire and cable sheathing project, rainwater harvesting, ventilation systems, industrial and mining enterprises, such as sewage disposal, community sewage disposal system.