... (DN32-3600mm) D).Leader of Expansion joint din standard neopreneFlexible rubber joint:1. This product could primarily reduce ... 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 , ...