Thyristor, Welding Diode, High Voltage Control Cabinet manufacturer / supplier in China, offering Super Large Current Welding Rectifier Diode Resistance Welding Diode Zp18000A 200V/600V, Capsule Style Low on State Voltage Thermal Resistance Welder Diode Zp4000A 200V/600V, Motor Control Inductive Application Fast Recovery Diodes Zk Series Zk2500A 2500V/3300V and so on.