Zhejiang Wanjiayou Pipe Industry co.,ltd is located in Tiantai, we have a production capacity of 300 million, specializing in the production of "WANJIAYOU" series product.1. Building purpose hard of PVC-U drainage pipe material and pipe fitting. 2.Insulation electrical conduits, casing pipe fitting. 3. PPR tube and pipes. 4 High pressure polythylene HDPE firm-wall corrugated pipe. plastic check wel, etc.