1.Full digital microcomputer control system,three grades discharge design(Pre-pressing,welding and tempering),equipping functions of Constant Voltage,Constant Current,Constant Heating,Slowly Increasing,Slowly Decreasing,save multi-group Schedule Number,etc.easily meet customers high requirements of welding quality; 2.Integrated high-strength frame Structure,more impact resistant and anti-shock ability under high pressure operation,to achieve more accuracy of welding position,both spot welding and projection welding,reach the largest welding performance; 3.All copper water-cooling transformer,Multi-channel forced water cooling system to ensure the reliability of the machine running for long time; 4.Manufactured in accordance with international ISO Standard and European CE Certificate.