R&D Strength

Composite Insulation Live Tank SF6 Circuit Breaker-Certificate of Invention Patent

Ground-mounted Fully Enclosed Combined Apparatus for 252kV-Certificate of Invention Patent

Mounting Structure for Isolation Circuit Breaker Electronic Instrument Transformer-Certificate of Invention Patent

Non-full Phase Protection Device for Circuit Breakers-Certificate of Invention Patent

Type Test Device for Electronic Instrument Transformers-Certificate of Invention Patent

Type Test Device for Electronic Instrument Transformers-Certificate of Invention Patent

Vertical Assembly Flip Fixture for Double Break Circuit Breakers-Certificate of Invention Patent

Plug-in Switch for Substations-Certificate of Invention Patent

Method, Detection and Positioning Device for Partial Discharge inside Gas-insulated Combined Apparatus-Certificate of Invention Patent

Window-type Online Monitoring Device for Gas-insulated Switchgear