เครื่องเชื่อม OTC WELBEE INVERTER P500L Welbee Inverter P500L Digital Inverter Controlled Pulse MAG / MIG · CO 2 / MAG / MIG automatic welding machine The top model that demonstrates the best welding performance in iron, stainless steel, aluminum welding! Characteristic Digital Inverter Controlled Pulse MAG / MIG · CO 2 / MAG / MIG Automatic Welding Machine