HWASHI WL-MF-80K Energy Saving Inverter Medium Frequency DC Spot Welder Power Factor Correction for Continuous Production Product Overview HWASHI WL-MF-80K energy saving inverter medium frequency DC spot welder with active power factor correction reduces energy consumption by up to 35% compared to conventional AC welders. Ideal for high-volume continuous production lines requiring consistent weld quality with minimal electricity cost. Key Features Precision Engineering: