Switch, Electric Power, Circuit Breaker manufacturer / supplier in China, offering Sdc15-12 Medium Voltage All Insulated Compact Switchgear and Power Supply for Compuct Secondary Substation (Ring Main Unit RMU), Kyn28-12 AC Metal Armored Moving Switch Equipment for Medium Voltage, Sdc15-12 Sf6 Fully Gas Insulated Compact Electric Switchgear (GIS) Ring Main Unit (RMU) for Medium Voltage for Office and so on.