Changmao Valve Group Co.,Ltd achieved more than 33 years manufacturing experience in rubber joints . expansion bellows,flange adaptor , pipefitting products since 1988. Approved by ISO . CE , SGS ,Repliable quality , professional team service ,advance quality control make Changmao Group leading manufacturer and supplier around the industry. we provide stable service for customers and partners from Germany ,France,UK,Italy ,Spain,USA,Singapore,Malaysia more than 80 countries .Changmao Valve Group Co.,Ltd focus on piping, vibration isolation and seismic isolation for applications ranging from equipment for downtown high street buildings, water supply and sewerage systems to plants and engineering , To make an contribution to the improvement of convenient in the fields of air-conditioning, sanitation, anti-vibration, seismic isolation, and malfunction protection. We have been committed in manufacturing, sales and related design, consulting business for our products, such as anti-shock system, joints for all piping, valves, hoses, etc. with a wide range applications for building, construction , and water plants. (Products provided: Vibration isolation system, noise control system, quick connectors, Rubber and Metal flexible and expansion joints). Espertise and know-how make Changmao Group understand clients and partners well ,do look forward cooperation . .