... ion,Ni-MH, nickel-cadmium, button battery spot welder spot welding machine Multi-pulse precision spot welding machine Lithium-ion,Ni-MH, nickel ... , all kinds of metal weldingspot welding machineMulti-pulse precision spot welding machine Feature:1, Performance characteristicsUP-23 is use ... welding parameter. UP-23 use dual-cylinder action, table-free-class screw-type locking hand-off and landing, three- ...