Beijing Commercial Sky Environmental Protection Equipment Co. Ltd. (BCSCO), a joint-venture company registered in Beijing of China, is specialized in water treatment engineering field since 1994. BCSCO is a member of American Water Quality Association (WQA) for ten years and received the certification of ISO9001-2000 in 2001. BCSCO is the member of China Environment Protection Association and Beijing Environment Protection Association from 1995, and also it is the member and standing director of China Boiler Water Quality Association. We are one of the first 15 water treatment companies in countrywide, which certificate and register by China National Quality, Technology Supervision and Quarantine Administration, China Boiler Water Quality Association. It participated to constitute and modify the first soft water national standard (GB/T18300-2001) in 1999. BCSCO solely introduced the advanced air and dirt separation technology into China. Depends on the own research and development, we produced "SYSCA" air & dirt separator serial products: which including Smart Refill Degasser, Smart Degasser, Air-vent Valve, Air Separator, Dirt Separator, and Air & Dirt Separator and etc based on the specificity of domestic HVAC water system, By avoiding the blockages and oxygen corrosions which are long-standing in HVAC systems, these products have gained multi-items of nation patents successfully, and can save heating energy and extend equipment lifespan in HAVC system. With years of hard working, BCSCO becomes the leader of manufacturers in degasser and air & dirt separator producing in China. We have won a lot of customers- China 2008 Olympic Stadium the "Bird's Nest", National Aquatics Center the "Water Cube", National Olympic Sports Centre and Terminal 3# of Beijing Capital International Airport, and etc, we are proud of these customers. Now depends on the excellent products, high quality staff and the perfect services before and after sales, BCSCO continues his effort on water treatment industry in world wide. We wish to grow up with our customers and partners, and contribute our share on building the better environment for human being in the future. Building one centennial corporation, creating an international brand!