Air Operated Diaphragm Pump, Magnetic Pumps, Pump Parts manufacturer / supplier in China, offering S05b2p2tpns000 1/2′ ′ PP/PTFE DJ Air-Operated Diaphragm Pump, 612.108.157 DJ Aluminum Kits Pl. Assy (612.107.157 & 807.091.330) for Sandpiper B15-20m Stainless Steel External Pressure Plate, 286.095.360 DJ Pump Spare Part Bn Diaphragm for Sandpiper B05m and so on.