... jewellery welding machine1.IntroductionThis welder is specially developed for laser welding of jewelry used in perforating and spot welding of gold ... instrument, electronics, machinery, automobile, etc, especially for the perforating of gold and silver jewelry, spot welding, repairing, inlay and welding of ... size: 1000*480*1080mm, 400*350*880mm6.Sample jewelry machine for welding 100W,150W