Nanjing huadong steel pipe manufacturing Co.,ltd

Nanjing Huadong Steel Pipes Manufacturing Co., Ltd., a private enterprise specialized in shareholding systems, is located in Jiang Ning Economic Development Zone of Nanjing and at the foot of Fang Mountain with beautiful scenery. The communication and transportation are very convenient. Our company has 2 advanced spiral seam double-faced submerged-arc welded steel pipe assembly lines, one petroleum natural gas steel tube 3PE antiseptic assembly line, and one high polymer coating and epoxy pitch pipeline antiseptic assembly line. Our company passed ISO9001:2000 quality management system certification and got the certificate (Edition 44) for using the emblem of API 5L-2008 American Petroleum Institute. License of Special Type Equipment Manufacture of Pressure Pipeline Parts is issued by the related ministry of the People's Republic of China. The wall thickness of auxiliary tubes is 300mm-3000mm / 6mm-20mm. The hydraulic pressure 3-roller veneer reeling machines and straight seam submerged-arc welding tube assembly lines are from Italy, with an annual output of over 10000 tons. Steel tubes are used for transporting water, oil, natural gas and coal gas and in seam, pile pipe and building structure lines. The annual output of steel tubes is 10000 tons. The specifications of spiral welded steel pipes are 219mm-2020mm / 6mm-20mm in wall thickness. The steel grade is L215-L415.