Circular melding machine: Used to weld two objects for processing. The major kind of the machine is erect rotating welding machine.The circular melding machine is used to the processing of the relative linking through welding process with semi-auto processing function in its machine tool. The machine can begin to rotate automatically and the welding gun starts to weld after installment. As a result, the products can rotate to weld evenly and stop by itself after a circle of rotating and the operation is simple, easy and quick.