... .At the same time, we can produce steel tube according to foreign standard, such as ASTMA53,A106,A179,A192 DIN1629,DIN17175 ... .8,ST37.So far,we have already exported our products to RUSSIA,JAPAN,INDIA AND IRAN,and we are trying ... to explore the abroad market with full efforts.By good quanlity ... .252.00-2.500.90-1.20450-600≥280≥18Add to Basket structure pipe