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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.

Used IGBT inversion power with good dynamic performance and working frequency at 20 KHz.Adopted the technology of soft switch with continuity rate of high loading and effective energy saving functions.The machine is comparative small and light in weight, which is convenience for transport