Thyristor, Welding Diode, High Voltage Control Cabinet manufacturer / supplier in China, offering Two Way Control Equipped Heatsink Cooling Fast Recovery Diode Zk 400A 2000V, Semiconductor Fast Switching Kk 2500A 2500V Thyristors, Kk1500A 2500V/2800V Silicon Low Switching Losses High Di/Dt Thyristors and so on.