production line for pre-galvanizedsquare hollow section

There is a complete set of production line for pre-galvanizedsquare hollow section and rectangular hollow section. We use pre galvanized steel strips for raw materials, through a variety of processing technology, such as flattening, shearing and butt welding, circle shearing, loop shoring, roll forming, ctttingand so on.

Urban construction pipe, machine structure pipe, agriculture equipment pipe, water and gas pipe, Greenhouse pipe, Scaffolding pipe, Building material tube, Furniture tube, Low pressure fluid tube, Oil pipe, etc