NB series of welding machine have adopted with modern techniques of IGBT inversion and new control method, which optimizes the welding process with advantages of control accurate, welding reliable and strong applicable etc. It is widely applied to the constructions of various industries, such as automobiles, motorcycle, pipeline for petroleum, boiler, chemical industry, metal structure, shipbuilding, hydropower, thermal power, railway and expressway engineering, etc.More Information about the technology data, please see the table as below. Thank You!