... Small & light AC/DC Square Wave Pulse Arc Welding equipment VRWSME-200(Supplied with water & air gun, suitable ... function, which facilitates the arc starting.l Can be used for welding of stainless steel, carbon steel, copper and ... chemical industry, foodstuff, medicine, environment – protection and decoration etc.Welding equipment VRWSME-200Technical parameters:Input voltage (V): 1 - 220Rated input ...