Profile: Huangchangfeng Equipment, Inc. designs and manufactures gas treatment & recovery systems. Scraper filter adopts a ladder shaped filtering screen. The solid cake formed in the operation will be scraped off to protect the meshes from being blocked. Their filtration accuracy range is 0.5-2 mm. The filter shells are made of carbon steel. Our membrane systems are designed to increase or reduce the oxygen concentration in glass, concrete & pottery furnaces, industrial & heating furnaces, and smelters. Our coalescers are used for high precision separation of impurities and coalescence. They also recover the separated substances.