Founded in 1994, Huachangfeng Equipment, Inc(HAF) specialize in all kinds of Filters; Vapor recovery system; Flare gas treatment; Demister; Gas purification/cleaning, Two/three phase separators(with API 12J Monogram); Coalescers; Greenhouse gas monitoring and emission reduction; Oilfield/gasfield equipments;  Thermal engineering products; Waste water/gas treatment, vapor recovery etc. .     During two decades of development, HAF owns dozens of patents and international quality certificates including API, ISO9001, ISO14000, OHSAS18000, TS29001 and so on. HAF is the supplier of China Petroleum and Chemical Corporation(SINOPEC), China National Petroleum Corporation(CNPC), China National Offshore Oil Corporation(CNOOC) etc.