Product Description The series of welding machine is a newly protrusive electronic-cntrolled welding machine to fully meet requirements of special work. Lt is with clamped gas pressure and precise control. 1 type has adopted stepless current regulating mode, which can regulate automatically to avoid the thickness of spot welding and the interleaving of solder joint. 2 type has adopted gas cylinder-located workpiece with clamped gas cylinder and multipoint spot welding. The welding machine is altogether with four kinds of adjustable time, which respectively, to up to the features of fast weld, easy operation and high efficiency. Lt is widely applied in the weld for supermarket shelf and drawing net at expressway.,