China High Quality Copper Resistance Dresser 1.2 1.2mm M6 M6X28 Point Electrode Nozzle Contact Tip Cucrzr Cual2o3 Material Spot Welding Cap Tips, Find details about China Welding Electrode, Cucrzr from High Quality Copper Resistance Dresser 1.2 1.2mm M6 M6X28 Point Electrode Nozzle Contact Tip Cucrzr Cual2o3 Material Spot Welding Cap Tips