1.High quality,high efficiency,98% power factor,three-phase input load balancing,the impact on the user grid greatly reduced,DC input current,smooth,inductance is zero,1000HZ working frequency,time control precision is 1MS; 2.High-strength body structure,good rigidity,direct pressurizing mechanism,linear bearings used in the guiding structure enable good mobility; 3.Adopt high-speed microprocessors,use intelligent optimal calculation method,LCD interface,can save 60sets welding schedule numbers,There are functions of switch display in both Chinese and English,provide external BCD call interface,system fault diagnosis alarm automatically.etc; 4.Specially suitable for welding higher conductive rate of material(such as aluminum,copper,silver and so on) and much more thicker workpiece,widely used in automobile,aerospace and other high request products and industry.