... Profile1.Our company specializing in the production of PVC tube, PVC conduit, PVC conduit, garden water pipe, air ducts, gas pipe, ... water pipe, tube, fire, water bath, conduit, winding, auto water pipe, QiCheLian over, feed, transparent pipe, PVC tube, EVA/PU ... SGS certification and already Intertek environmental authentication.3.New PVC materials, products and strong, water-proof layer, ...