... electrical cable, wire, brass SZ-3T 0.80mm-4.0mm copper wire cold pressure welder / alumimum wire, brass wire, flat wire welding machine1.welding copper wire, aluminum wire ... cast iron3.Advantages:No power, no change of the resistance, clean, light, easy to operate, weld within one ... 1000sets/MonthMachine list ( choose suitable machine according to wire diameter you need to weld and machine's welding ...