1.100% inspect for mainly components. 2.CCC,CE,ISO9000 certified. 3.New design ... ,over-current,under-voltage protect function,safety.6.100% inspection for mainly components7.Small size,light weight,protable,noiseless,high duty ... diameter(mm)1.6-3.2§.COMPANY VIEW & PRODUCTION LINE: SINGLE PHASE ARC WELDING MACHINE