... high duty cycle, saving energy.2. Reactive power correction, IGBT, AC/DC or pulse output , soft switch, inverter ... 3. Compact structure, stable welding current, steady and intensive arc, reliable and durable, easy for maintenance;4. Excellent control ... Honeycomb fibreboard carton and EPE form:high-compressives strength,strongly resistance to shock loading,nondeformable.Super200PI:IGBT welding machine/ ...