... 3.Small & light AC/DC Square Wave Pulse Arc Welding equipment VRWSME-200(Supplied with water & air gun ... durable.l Super high – frequency starting arc performance, stable and focused welding arc, good – looking welding seam.l Strong ... , car manufacture, chemical industry, foodstuff, medicine, environment – protection and decoration etc.Welding equipment VRWSME-200Technical parameters:Input voltage ...