S W Flange Shijiazhuang Bangdong Pipe Co., Ltd Base Info Model NO.：S W FLANGEStandard：ANSI, DIN, GB, JISType：Socket WeldingMaterial：Carbon SteelMaterial2：Alloy Steel in PipelineSocket Welding：SwOrigin：China Cangzhou Description Pre：Gypsum Screw Next：Brass Molding Inserts OEM Design M5 Brass Insert
