Jiangsu Jingwei Steel Co.,ltd. established in 2003, located zhangjiagang city,Jiangsu Province,we are a mill specilize making steel tubes and pipes.Through 7 years developing ,our factory has won fixed asset RMB 53.5 million ,has 15800 square meter, there are total 450 employees in our company,30 of them are being technicians and engineers. With advanced producing technicians and high class producing machines, our producing capacity has reached 350 thousand tons of steel tubes one year,we can make the steel tubes according to : GB, YB in China, ASME, ASTM, API in USA, DIN in German, and BS in...