high quality gantry structure beam welding machine with double welding guns

high quality gantry structure beam welding machine with double welding guns we are cutting and welding machine factory,including the tank welding machine,butt welding machine,cutting machine,h beam welding machine and trailer welding machine,and we can special designed as customer’s requirement. any interesting or need more information,please feel free to contact us. martin chen Email:martin@ P&W: 86 18561499128