... Machine: easy to handle Mesh in roll Plc digital system weldeing wire :3.0--5.0mm JB-01Auto Control ... section steel, strong and concise. 2, Welding electronic control system: PLC digital system, one time pressing, separate welding. Precise control ... sheet and section steel, strong and concise. 2, Welding Electronic Control System: Digital integration circuit control. Highly precise. Stable function. ...