... gold,silver,platinum and other JEWELRY.Especially in repairing,spot stitch,electronic parts,IC,.battery,watch,etc. High ... reliability,long resistance,high energy exchange,top beam quality,air cooling,low price,easy operation.3)Tech DataModelCY-JXRated ... axis selective)Working Voltage220V/mono-phase/50Hz/60AMain Machine Power4KWCooling Machine Power2PCooling ModeAir cooling Laser spot welding machine