1.Repair cracks, crack welder. imitate laser welder 2.Solder thin stainless steel plate, table-board weld ... exempt from the preheating, heat preservation process of ordinary arc welder.Application RangeInjection mold, stamping mold, casting mould, rubber mould, ... 2.Weld two stainless steel plate together:3.Comparasion of TIG welder welding effect and cold welding machine effect Welding without ...