HDPE Butt Fusion Fittings, HDPE Socket Fusion Fittings, HDPE Electrofusion Fittings manufacturer / supplier in China, offering Socket Welding Equal Tee for Pert II Hot Water Systems 20mm-110mm, Pert Type II Socket Fusion Equal Tee Pipe Fitting, PE-Rt Type II Reducing Tee Socket Fusion Pipe Fitting and so on.