... to manufacture tinplate can body with functions of rolling, welding and coating. It has performances of high output, constant ... and stable welding quality, easy operation, solid and good-looking weld seam. ... Power supplythree phase, voltage:380Vfrequency:50Hz, electric comsumption:30kw Welding frequency120-260Hz 200-360Hz Cooling water392-490kpa,12-18oC, ...