Products: 30*30-500*500mm Precision cold bending square and rectangular steel tube 400*400-1420*1420mm--10-80mm Large diameter (thick wall) square and rectangular steel tube 325-1420mm—10-80mm Large diameter (thick wall) LSAW steel tube The main products big outside diameter & thick square and rectangular steel tube have filled the blank of both at home and abroad. The products are widely used in large construction, bridges, machinery, shipbuilding and transport the gas and fluid. With the annual output of 150, 000 tons of pipes, our . we make “multi-varieties, high precision, fast delivery” as our purpose and serve the new and old customers.Welcome the customes both at home and abroad to visit us.