N/a manufacturer / supplier in China, offering 11kv 33kv Embedded Poles Epoxy Resin Insulation Cylinder of Vacuum Circuit Breaker Vcb, Embedded Poles Epoxy Resin Insulation Cylinder of Vacuum Circuit Breaker Vcb, 11kv 24kv 36kv Vacuum Circuit Breaker Vd4 Hvx and so on.