HDPE Butt Fusion Fittings, HDPE Socket Fusion Fittings, HDPE Electrofusion Fittings manufacturer / supplier in China, offering Pert Type II Female Threaded Tee Internal Threaded Tee, Hot Water Male External Threaded Tee Factory Direct Sale, Male Threaded Tee with Electrofusion Ends for Pert II Systems. and so on.