High-tech enterprise

Business License

Innovative SMEs in Hebei Province

Specialized and Special New Small and Medium-sized Enterprises in Hebei Province

Account Opening Permit

Environmental Management System Certification

Occupational health and safety management system certification

Device for detecting partial discharge fault of GIS and detection method thereof

Integrated device for optical fiber temperature measurement and intelligent measurement and control of box transformer

Grounding line selection auxiliary signal control system and control method thereof

Submarine cable fault alarm and diagnosis method based on distributed optical fiber temperature strain and vibration monitoring data

Ni-Cr alloy grounding resistor

An intelligent optical fiber measurement and control integrated device for box transformer

On-line monitoring system for box-variable partial discharge

On-line monitoring system for switch cabinet partial discharge

Micro-water density on-line monitoring device

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