The Hollow Slab Welder Solid construction, large size, dependment, the high exactness and the fluctuation system of electrically operated motor make it to be more convient debugged. The outstanding vibrating system with its three-in-one micro-adjusting, piston, actuator control makes it a snap to set up. The result is smooth, fast welding jobs that are strong and durable. The suitable profession: all kinds of welding of the hollow slab L750*W460*H2200mm 180kg