Hebei Haiqianwei Steel Pipe Co., LTD was founded in 2010, the total investment of the project is 300 million RMB with the tatal land area 140.951 sqm, the production plant has the tatal construction area 30, 000sqm.It is located in the Zhenggang Industrial Development Zone in Yanshan County which is called &＃039;Chinese National Manufacture Base of pipeline Equipment &＃039;. Our company uses the most advanced technology of JCOE LSAW steel pipe manufacture in the world wide, specialized in producing heavy calibre Lsaw steel pipe , The product line adopte PID automatic controlling continuous J-C-O forming technology , and the advantages of the product line are as below:high speed , high quality , low stress distribution , and low tolerance of size. The equipment can change mould quickly and simply , produce wide range of specifications , which is specialized in producing Longitudinal Submerged Arc welding Pipeline of outside diameter from 406.4mm to 1422.4mm, wall thickness from 6mm to 50 mm, unit length from 3m to 12.5m , steel grade could be simple carbon steel , special type steel and low alloy steel grade could be up to max API 5L PSL2 X80. It is able to manufacture 150000 tons per year.