Anhui Tunxi High Pressure Valve Co., Ltd. (Tunfa) founded in 1972, is located in Huangshan City, Anhui Province. Tunfa is an international leading manufacturer and supplier of industrial valves in the world. Tunfa has been specialized in the designing and manufacturing of bellow valves, ball valves, gate valves, globe valves, butterfly valves since 1970s. Our primary goal is to provide a unique solution for the service of petroleum, petrochemical, chemical, natural gas, metallurgy, electric power, nuclear power and other industries.we are one of the main suppliers of   PetroChina, Sinopec and CNOOC.Our specialty products are bellows valve, forged steel valves, cryogenic valves, hydrogen valve, pipeline ball valve, oxygen valve, power station valve and others special material valves.Our valves own all applicable international accreditation, including ISO9001, API6D,CE and TS certificates.