company was established in April 2000, headquartered in Hebei Qing County, Hebei Qing County, two major production base in Nanjing, Jiangsu. has international advanced, and domestic leading of three article JCOE big caliber straight sewing buried arc welding pipe line, and four article hot simmering bent tube line, and two article large fittings line, and two article pipe both inside and outside antiseptic line, has rich of production experience and technology reserves, can for user provides big caliber straight sewing buried arc pipe, and bent tube, and fittings and the antiseptic full series of products and service. large diameter longitudinal submerged-arc welded pipe, annual production capacity of 600,000 tons of roasted bends integrated capacity 8,000 pieces, large annual comprehensive production capacity of 2000 pieces of pipe, steel pipe corrosion protection both inside and outside the integrated capacity of 7.2 million square meters.

API 5L, API 2B certification, ISO9001 quality system certification, HSE/OHS/EMS three-in-one system, pressure conduits, and special equipment manufacturing licenses and foreign large oil companies access to certification.

, X60, X65, X70, X80, X100, X120, steel and subsea pipeline with steel pipe, large deformation-resistant, acid-resistant steel, low temperature steel tube and pipe bending, pipe and other products, has filled the domestic blank.

more than 2.2 million metric tons (more than 5,700 kilometres), large diameter pipe and fittings more than 30,000 pieces.