Zhejiang Shengbo Pipe Valve industrial Co., Ltd.is specialized in the polyethylene pipe fittings for gas distribution. The main products including PE electrofusion fittings, butt fusion fittings, PE ball valve, PE/Steel Transition and welding fittings. Our product quality is very reliable. Tests will be carried after production, like: Melt index test, Oxidation induction test, Tensile strength test, Compression resistance test and Break resistance test. Our electrofusion fittings and butt fusion fittings conform to the standard GB15558.2/EN1555. Meanwhile, we are approved by ISO 9001 for quality assurance system, ISO 14001 and OHSAS 18001 for environment and occupational safety and health control system.