we are professional manufaturer of  Steel Tubes & Pipes, we can produce all kinds of steel tube,  such as round tube, square tube, retangle tube, and we can supply you tubes in accordance with different standard : GB, ASTM, JIS , DIN . OST etc, or  supply you as your requirements , our products are sold in  the whole world ,  and export Brazil, India , Canada, Austrila , West Europe as so on , and we have licence of  import and export  too, so our products export many countries freely  ,recently ,  it is famous with good quality and service  in the world, today , we are keen to enter into long term business with  you.