Huachangfeng equipment inc.(haf) is located in beijing, with branch office in u.S.A., and distributors worldwide. Haf is a professional company focusing on the r & d, design, test, production, and epc. With beijing as the headquarters, haf has exported over 250, 000 sets/pieces of products worldwide without any product returns. The company owns many patents, qualifications, experience, and many international certifications like iso 9001, iso/ts 29001, osh 18000, api etc. Haf provides a broad range of products and services as follows: • filtration, coalescence, separation and purification systems; • waste gas and voc treatment systems; • greenhouse gas (ghg) monitoring and emission reduction; • seawater treatment; • oilfield/gasfield drilling equipments; • screw pumps, high speed pumps & compressors; • automatic recirculation valve, safety valve and special valve; • thermal engineering products. As a member of the china general machinery industry association(cgma), and a main supplier of sinopec, cnpc, cnooc, formosa plastic group, china datang corporation(cdt) etc. Haf provide many effective solutions for the bottlenecks problems in the mentioned industries. With the company spirit " quality, efficiency, innovation and dedication" and service guideline "satisfying the customers with superb and reliable technology and timely service", haf will sincerely cooperate with our customers for common development.