... carbon steel,stainless steel; Source and weld time, the machine could be used for welding various PRODUCTS OVERVIEWSuitable for welding ... carbon steel,stainless steel; Source and weld time, the machine could be used for welding various ferrous/nonferrous metal and ... BoxMicrocomputerMicrocomputerWeitht120kg135kgDimension580*425*560(mm)580*425*560(mm) DNY SERIES PORTABLE RESISTANCE SPOT WELDING MACHINE