in products: ZX5, NBC, KRI, LGK8, Welding machine main transformer, Inverter welding machine, Driver transformer, Pulsing transformer, Mutual inductor, Filter, Choke coil, Power transformer series, High-frequency transformer series, Welder transformer, Control transformer, Lead arc circle series, Reactor series. All kinds of EI type, R type, CD type, BK, JBK, BKJ, ring type, three equal transformer and so on.