Plastic Injection Moulds, PVC Electrical Conduit manufacturer / supplier in China, offering PVC Male Adaptor ASTM D2466 Standard for Supply Water with NSF Certificate, Plastic PVC-U Reducing/Reducer Bushing ASTM D2466 Standard for Supply Water with NSF Certificate, Plastic PVC-U Union ASTM D2466 Standard for Supply Water with NSF Certificate and so on.