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DLT 727-2013 Guidelines for the Operation and Maintenance of Instrument Transformers
DLT 1186-2025 Technical Specification for 1000kV Tank-Type Voltage Transformers
DLT 1268-2013 Technical Specification for the Use of Three-Phase Combined Instrument Transformers
DLT 1332-2025 Guidelines for On-site Low-Frequency Testing of Current Transformer Excitation Characteristics
DLT 2267-2021 Terminology for the Use of Power Transformers (Reactors, Instrument Transformers) and Their Components and Raw Materials
DLT 725-2023 Technical Specification for the Use of Current Transformers in Power Systems
DLT 726-2013 Technical Specification for the Use of Electromagnetic Voltage Transformers in Power Systems
JJG 1021-2007 Verification Procedure for Electrical Transformers
Shandong Provincial Enterprise Technology Center (2024)
Shandong Provincial Enterprise Technology Center (2021)
Shandong Provincial Industrial Design Center
Shandong Province industrial enterprises
High-Tech Enterprise Certificate
Certificate of Science and Technology Award
2020 Annual Electric Power Science and Technology Innovation Award – First Prize
Shandong Province “One Enterprise, One Technology” R&D Center
Specializing in the production of electrical metering and protection equipment.
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