Amico mig-140gs, 140a mig/mag/tig/stick arc dc welder, spool gun weld aluminum 230v 20.9a(mig)/15.6a(tig)/25.5a(stick). MIG-140GS is a multi-functional electric welding machine with a beautiful appearance and superb production technology. Using the MIG/MAG/FLUX-CORE welding, the current and wire feeding speed have automatic coordination and control functions.