our product; (1) PVC-U water –supply pipes and fittings; (2) PP-R(cold,hot)water –supply pipes and fittings; (3) PVC-U pipes and fittings for construction drainage, sandwich layer foaming,sandwich layer foaming spiral , double-wall porous spiral pipes for constuction drainage; (4) PVC-U compression pipes,grain steaming pipes,cable pipes; (5) PVC-U electrician’s insulation sleeve and components. (6) Plastric valves and cosmponents. (7)Pipes&fittings mould such as elbow,tee,crossing,socket,flange,adaptor,clamp trap,hopper ect series