High-reliability switchgear components for 12kV、24kV、36kV、40.5kV、72.5kV、126kV、145kV、170kV、230kV、245kV、252kV、363kV、500kV、550kV、800kV applications—fully designed, tested, and manufactured in-house at Rockwill’s ISO-certified facility in China as a true OEM since 1986.