PTFE Diaphragm, PTFE Seals, Rubber Diaphragm manufacturer / supplier in China, offering 08-1080-53 Rubber Buna-N Ball Use on Wilden Pneumatic Diaphragm Pump, High Temperature Resistance 100% Virgin Flat PTFE Diaphragm White PTFE Sheet, PTFE+EPDM Diaphrgam for Dosing Metering Pump Diaphragm Pulse Damper and so on.