cnc circular seam welding machine Features 1. Submerged arc welding, welding work is not fixed, mobile gantry using frequency conversion; 2.Beam equipped with two groups each with a set of welding...
automatic Circular seam welding machine Features 1. Submerged arc welding, welding work is not fixed, mobile gantry using frequency conversion; 2.Beam equipped with two groups each with a set of...