1.Direct current resistance spot welding power supply 2.CE Direct current resistance spot welding power supply1.1KHZ,4KHZ,8KHZ ,inverter,high control precision.2.welding parameter adjustment and welding process display by LCD,Intuitive graphical user interface.3.The weld power supply is also geared for automation with automation interface .RS-232C is optional as standard interface.4.Constant ...