Shanghai HanseaTECH Rubber was Sino- Germanic joint venture established in 2005. We are professionally engaged in the rubber membrane product’s innovation, researching and production.Our main product is butyl rubber membrane used in HVAC, water supply, fire fighting system and other membrane used in keeping pressure and the water-gas separation system. The products with the Germanic technics and production skills are met at each request of the Germanic DIN 4807. The whole production process is audited by Germany TüV. Because of the world top technics and the best equipment in china Our company is designated as supplier by Germany Reflex which is the most famous company in HVAC and water supply system etc. we also can produce the product according to customer's specification. welcome to contact with us.