... , easy to operate, perfect welding point; suitable for spot welding and repair welding of various metal.Be able ... tools, watch etc.Applicable materialGold, Silver, Platinum, Stainless steel, copper, Aluminum and its alloys, etc..GD-JW100 ... jewelry repair, which is one type of spot welding.Technical parameterModel: GD-JW100Laser medium: Nd:YAGLaser ... system: 450*400*840 JEWELLRY laser welding machine