Shaanxi Haifeng Petroleum Machinery Manufacture Co., Ltd. is a professional manufacturer of high tensile bolts with registered capital of RMB10,000,000 and annual comprehensive productive capacity of over 5,000 tons.
Our company enjoys a strong technical force, scientific and normative management, advanced production equipment, integrated production technology and high product quality. By adopting high grade plain carbon steel or alloy structure and carrying out full magnetic particle inspection, our high tensile bolts have high precise and good intension. They are sold to heat-engine plants, petrochemical refineries, petrochemical machine manufactories as well as road and bridge industries. Since we set foot in wind power generation industry in 1994, our company has provided to plenty of international and domestic wind power manufacturers, such as Goldwind Science &Technology, GAMESA of