... flexible hanger, rubber shock pad, shock absorber, pipe damper, seal, gate valve,check valve, foot valve, filters, valves, ... pipe expansion joints, bellows, waterproof sleeve tube, power delivery Joint, limit expansion joints etc.Registered trademark "Changmao" brand, ... ,high media resistance and climate , also called rubber joint,soft joint,shock absorber,tube vibration isolator,pipe shock absorber , ...