medium frequency inverter spot (projection) welding machine Model No.: DIT-80/150/200/300 ... Rated capacity: 80/150/200/300 Mid-frequency inverter spot projection welding machineCharacteristicHigh quality, high efficiency of the welding ability, ... standard, LCD screen interface, display english and chinese chenge.Widely used in aviation, aerospace, automotive, compressors, electrical and other special ...