... Digital adjustable,electricity time,welding current,etc,Touching panel,duralbe and reliable,out put current stable. 1.Digital adjustable,electricity ... time,welding current,etc,2.Touching panel,duralbe and reliable,out put current stable.3.Microprocessor control,optimize ... spot gun,pneumatic spot gun.5.Continuous single spot welding and pulse single spot welding to high spot metal sheet 6. ...