资讯

[Specifications] Product name: 80A laser spot welding machine; power: 400W; maximum current: 0.6-80A; voltage: AC 110V/60HZ. [Principle] The jewelry spot welding machine uses the principle of ...
I have been thinking for a long time to be able to find a simple way without welding. This model made ... silver wire or gold wire and gemstones for jewelry more valuable Or simply use cheap ...