**High temperature resistant DN10/25/80/150 PTFE sealing ring PTFE Teflon flange pad processing**
**Bulk Offer Nitrile Screw Washer Flat Gasket M2-M20 Oil Resistant Wear Resistant Cushioning Sealing Gasket**
**Hot Sale Waterproof Silicone Sealing Ring Medical O-ring Sealing Ring with Mesh Food Grade Transparent Wear Resistant Silicone Gasket**
**Ding Qing Rubber Flat Gasket Screw Washer Faucet Buffer Shock Absorption Oil Resistant Wear Resistant Waterproof M2-M20 Seal**