Hangzhou Shuanglin Plastic Machinery Co., Ltd., established in 1987, is a leading hi-tech company. It specializes in development and production of composite pipe production line, plastic pipe production line and kinds of pipe molds and plastic assistant machinery. At present, it has fixed asserts 25, 000, 000 RMB, covers area of 26 mu and has standard workshop about 15, 000 square meters. It is situated near to the beautiful West Lake in Hangzhou, and at the transportation key position of Shanghai, Hangzhou and Ningbo, enjoying convenient transportation by sea, land or air.