... and ISO14001:2004 3.Make all kinds of molded rubber parts Features: MaterialNBR,HNBR, EPDM, FKM (VITON ... high temperature resistance, low temperature resistance, ozone resistance... )Color black, red, white, green, yellow, blue, brown, according to ... kinds of high tech required molds.Rubber Diaphragm for Pump, Rubber Diaphragm for Valves, Pump Diaphragm Motocycle Rubber Part Rubber Diaphragm for Pump