
Spot Welding Jewelry Machines Hand Held Portable 400W Power High Efficiency 220V
Spot Welding Jewelry Machines Hand Held Portable 400W Power High Efficiency 220V. Spot welding machine can be used for platinum. Steel rapid welding, the ring mouth, melon seeds buckle. Fine wire precision welding, direct welding without welding powder. The use of plasma high-frequency discharge principle, in the metal welding port instantly forming molten pool. Adjust […]