Tap Type CO2 Welding Machine 1.Power reach standard, high duty cycle 2.High efficiency, save energy 3.durable and compact ... ,has stable function.2.Three operation modes:continuous welding,spot welding, discontinuous welding,small splash,high success rate to arc starting, ... can increase by several times compared with manual arc welding,energy-saving significant cost reduciton of production.4.The use ...