Thyristor, Welding Diode, High Voltage Control Cabinet manufacturer / supplier in China, offering Medium Frequency Resistance Welder Welding Diode Zp12000A 600V, Disc Type Replacement Westcode R2619zc22 Fast Switching Thyristor Kk2500A 1800V, Disc Type Fast Switching Thyristor Kk1200A 1700V and so on.