... metal, all kinds of metal weldingspot welding machineMulti-pulse precision spot welding machineFeature:1, Performance characteristicsUP-23 is ... . UP-23 have large power, simple operation, reliable welding.2, The application of weldingLithium-ion battery (group), ... The smallest distance between electrodes: 0.1mm More details please contact us . Multi-pulse precision spot welding machine. battery spot ...