... Applications:Widely used in aviation, aerospace, sporting goods, jewelry, medical, instrumentation, electronics, machinery mould processing, and automobile ... industries, particularly gold and silver jewelry to fill the hole, spot welding small holes ... weld pool0.1 mmWelding depth0.05-2mmFocused spot diameter0.20-1.5mm (Adjustable)Power supply220V50Hz4-5KW Spot laser welding machine ...