Patent Certificate


On-line monitoring device for lightning arrester

On-line monitoring device for lightning arrester

On-line monitoring device for lightning arrester

On-line monitoring device for lightning arrester

Novel powder feeding device for zinc oxide resistance sheet powder

Novel powder feeding device for zinc oxide resistance sheet powder

Tank type GIS lightning arrester with new grounding structure

Tank type GIS lightning arrester with new grounding structure

A 220KV horizontal GIS arrester

A 220KV horizontal GIS arrester

A 110KV horizontal three-phase common tank GIS arrester

A 110KV horizontal three-phase common tank GIS arrester

10KV lightning arrester fixing device

10KV lightning arrester fixing device

Optical fiber fixing structure of electronic transformer

Optical fiber fixing structure of electronic transformer

Electronic combined current and voltage transformer

Electronic combined current and voltage transformer

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