H-beam welding machine, welding machine, H-beam welding line is for producing H beam, I beam for steel structure. This line is comprised of CNC controlled straight/profile flame cutting machine, H-beam auto assembling machine, gantry type H-beam welding machine, H-beam steel rectifying machine and shot-blasting machine. The web and flange sizes, the steel thickness can be as your wanted. Shot blasting machine, polishing machine, h beam pretreatment line, sandblast machine
