We are offering steel welding machine. steel welding machinesteel welding machine 3d automatic production line, which uses a touch screen plc control system, pneumatic or step motor as the driving force, it automatically through the equipment oblique inserting, cutting, flat mesh and foam board strict positioning, oblique inserting thread and flat net welding to steel wire rack to complete the production of polystyrene sandwich panels. Automation, high efficiency, low weld, solder joint strength, uniform, good flatness of products, low production costs.