... rate power utlization, low no-load loss, good welding quanlity.♥ Compact, light and portable, suitable for ... automatic when voltage is waving,auto-protection of over-voltage,over current,over-heat.♥ Suit for welding kinds of basic acidity, alkalescence welding ... rods, support cellulose rod downwarding welding. One pcb Inverter arc welding machine ...