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Completion rubber expansion joints

 Zhengzhou Mason is a true manufacturer of Completion rubber  expansion joints in china. rubber body of Completion expansion joints are formed by a mold.The rubber body produced by this kind of technology are very good. This kind of rubber body is durable, not easy to leak, can bear large internal pressure.Our mating flanges are forged flanges,Forged flange than cast flange low carbon is not easy to rust.The forging streamline is good, the structure is more compact, and the mechanical property is better than that of casting flange.We can produce ANSI 150#/ASME 150#, DIN, BS, and JIS flange as well as others.Welcome to order our products..