PE Fitting, Electrofusion Coupling, PE Ball Valve manufacturer / supplier in China, offering PE Pipe Electrofusion Tapping Saddle DN90mm Saddle SDR11 SDR17 HDPE Fitting, HDPE 3490ls Electrofusion Fitting Tapping Saddle for Pipeline Water Supply, Factory Price Two Purges PE Ball Valve for Gas Supply SDR11 SDR17 and so on.