... & light AC/DC Square Wave Pulse Arc Welding equipment VRWSME-200(Supplied with water & air gun, ... frequency starting arc performance, stable and focused welding arc, good – looking welding seam.l Strong adaptability for electricity network, ... industry, foodstuff, medicine, environment – protection and decoration etc.Welding equipment VRWSME-200Technical parameters:Input voltage (V): 1 - 220Rated ...