... Desktop cold pressure welding machine 1.no need of heat or electricity. 2.easier to be moved and stable. 3.welding in one ... minute 1. Application: Widely used in the cold welding for the wire of copper, aluminum, gold, silver, nickel, and ... : No power, no heat, no electricity, light, easy to operate, welding just one minute. 5. Overall dimensions: 300mm* 190mm × 290mm ...