... ISO14001:2004 3.Make all kinds of molded rubber parts Features: MaterialNBR,HNBR, EPDM, FKM ... (eg. Tensile strength, elongation, compression set, high temperature resistance, low temperature resistance, ozone resistance... ... develop most kinds of high tech required molds.Rubber Diaphragm for Pump, Rubber Diaphragm for Valves, Pump Diaphragm Motocycle Rubber Part Rubber Diaphragm for Pump