Anhui Tunxi high pressure valve Co., ***** from Tunxi high pressure valve factory. It is located in Huangshan city, Anhui province. It is the medium enterprises of the original national machinery ministry fixed-point production medium-high pressure valve. It is a state second grade enterprise, and one of national valve trade backbone enterprises. The company founded in 1972, has more than 30 years history in design, development and manufacture of valve. In 2005 the enterprise success carried on changes the system, has established the modern enterprise system. In 2006 purchased 100 mous lands in economy development zone of Anhui Huangshan City, and built the modernized completely new factory building. Company has more than 200 staffs, among them more than 40 engineers and technicians. The company technical force is abundant, the equipment is fine, and the technology is advanced. The company is the high-new tech enterprise of Anhui Province, possesses advanced valve manufacturing equipment and complete physicochemical inspection and test equipment. For example 2000 tons die forging pressure production line, the numerical control lathe, the high frequency melt weld, CO2 active protection welding machine, the helium mass spectrometer vacuum leak detectors and so on, is the leading level in the national colleague industry. The company has established the integrity quality management system, and in 1996 gained certificate of API6D, in 1997 gained certificate of DNV ISO9001, in 2003 obtained pressure pipe component manufacturing unit safety registered certificate. The company continuously gains the Anhui province quality management prize for many years.