... 3.0-10.mm copper 2. aluminum rod welding /soldering copper wire SZ-158 Hydraulic Cold welding machine / oxygen-free copper ... is electric/hydraulic powered machines capable of welding large round wire and strip materials. Caster mounting provides ease of movement in ... , aluminum, gold, silver, nickel, and other non-ferrous metal wire/rod.Main parameters1.Motor Power:4KW2.Working pressure:<=4.5Mpa3 ...