Voltage Transformer, Current Transformer, Knife Switch manufacturer / supplier in China, offering Three-Phase High Voltage Oil-Immersed High Pressure Metering Box Jls-6/10 Combined Transformer, High Voltage 1250A-25ka Indoor Frontal Drawable Embeded Pole Vacuum Circuit Breaker, Vcb Indoor High Voltage Vacuum Switch Circuit Breaker 33kv/36kv/630A/1250A/1600A/2000A and so on.