Beijing cognis building materials co., LTD., is committed to build A leading brand a-class heat preservation material in China, the company was founded in the early 1990 s, the headquarters is located in the capital, Beijing, production research and development base is located in langfang city, hebei province, and has branches in many domestic cities, the experience of the development of more than 20 years, cognis company has developed into A collection of new thermal insulation material production and research and development of new building system design of comprehensive enterprise, the production and operation quality of glass wool, rock wool thermal insulation building materials, design research and development of KN series 360 new steel structure envelope system, curtain wall thermal insulation system, a-class non-combustible exterior insulation system, piping insulation system, flexible waterproof roofing system such as new building system.Relying on advanced technology, strict management and advanced production equipment, cognis Beijing building materials co., LTD. Produces glass wool, rock wool thermal insulation building materials, testing by the relevant departments of the state have reached or exceeded national and industry standards, are widely used in various building, ships, trains, electric insulation, sound-absorbing, sound insulation parts, is well received by industry users.