The equipment is an automatic seam welding equipment for producing the starting pipe. Weld uniform, appearance, reduce the waste of time grinding and welding consumables. Using PLC+ industrial touch screen and human-machine interface. The welding speed is stepless and adjustable, the operation is simple and convenient, and the working performance is stable and reliable. Set machine, electricity, gas control in one. The pneumatic clamp is fast, the welding torch angle is humanized, and the work efficiency is improved.