welding line The whole line is box shaped column streamline,it possesses U shaped and box shaped welding, preliminary welding, hide arc welding, electric dreg welding of side plate and block, surface milling, can change the position of piecing through feeding guide rail and turning over machine, according to demand. You can adopt different ingredients in light of production, place, investment scale and special requirement. The production line greatly reduces the cost of Box shaped column welding. Greatly improve the quality of products through using three arcs and three silk technologies. The products, made by this machine, are widely used in high rising and are ideal material of steel instructing building. At the sane time, the whole line can vertically and horizontally moving the position of tack welding machine and welders, according to clients requirement.1Intersection of products: 400-500mm x 400-1500mm 2Length: 4000-15000mm 3Thickness: 16-120mm 4Maximum:25T