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    SGJZ  Power 
    Transformer FZCO

    SGJZ Transformer is a leading UL/CUL-certified manufacturer and a well-known transformer brand in the US and Canadian markets. We export over 5,000 transformers annually to North America and Europe, including power transformers, benchtop transformers, and single-phase transformers. Our factories offer capacities up to 1000KV and 1000MVA. We excel in the renewable energy market , solar, and wind power), as well as in the utilities, data centers, and oil and gas industries. We ensure fast delivery to our customers. For any after-sales service needs, SGJZ's local teams are ready to respond. We provide support with commissioning, supervision, transformer testing and diagnostics, troubleshooting, spare parts supply, and breakdown assistance. Our sales, engineering, and production teams are dedicated to providing the best solutions for your project.


TOGETHER, WE POWER THE WORLD

Focused on Every Detail, Powered by Passion and Commitment.Providing Reliable Solar and Energy Solutions with Quality Products.

NO.1

The biggest manufacturer and exporter ofIEEE/ANSI/DOE2016/IEC standard transformers andelectric Equipment in China.

24H

24-hour response providing solution less than 24hours.

100+ 

More than 100 patents in fields of transformer andelectric equipment technology, material, design, research & development.

100000 +

More than 100,000 units of transformers and electric equipment have been sold Worldwide.

200000 +

More than 200,000 square meter production site.service team.

20000000 +

More than 20,000,000dollars annual investment in technology research and development.service team.

Product categories

220KV Power Transformer

220KV Power Transformer

220KV Power Transformer

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Dry Type Transformer

Dry Type Transformer

Dry Type Transformer

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138kv 132kv Power Transformer

138kv 132kv Power Transformer

138kv 132kv Power Transformer

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Single Phase Pad Mouted Transformer

Single  Phase Pad Mouted Transformer

Single Phase Pad Mouted Transformer

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Compact Substation

Compact Substation

Compact Substation

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Three Phase Pad Mouted Transformer

Three Phase Pad Mouted Transformer

Three Phase Pad Mouted Transformer

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Single Phase Ploe Mounted Transformer

Single Phase Ploe Mounted Transformer

Single Phase Ploe Mounted Transformer

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10KV Three Phase Oil-lmmersed Distribution Transformer

10KV Three Phase Oil-lmmersed Distribution Transformer

10KV Three Phase Oil-lmmersed Distribution Transformer

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Grid Modernization Packages



  • 500 kv Wujiang substation "'replaces core" to increase capacity
  • Special Applications
  • Rural Grid Solutions
  • Urban Grid Solutions

Industrial Power Hubs



  • Suzhou Industrial Park's Early-Stage Grid Architecture Upgrade Challenge
  • Suzhou Industrial Park 110kV Substation
  • Innovative Application of 2okV Transformers in Suzhou Industrial Park
  • Industrial Parks

Urban Electrification



  • Urban Grid Solutions
  • Deepening Urban Adjustable Resources to Enhance Grid Resilience


Off-grid Systems



  • Renewable Energy Stations



Commercial and Public Facilities



  • Large-scale Complexes and Data Centers: High-density power demand in commercial buildings and data centers requires tailored high-voltage distribution systems, such as energy-efficient dry-type transformers .
  • Rail Transit and Airports: Custom high-voltage transformers for railway traction power systems and airport terminal power distribution .
  • Integrated Infrastructure: Deploying transformers with IoT capabilities to support smart lighting, waste management, and energy-efficient public utilities .·
  • Renewable Energy Integration: Facilitating grid connections for solar, wind, and energy storage systems in urban areas.

Export and
International Trade Services



  • UL/IEC Certification Services: Targeting the Dubai, North American, and European markets, we provide transformer design and certification support that complies with international standards such as UL1446 and IEC 60076.
  • Full-Process Export Services: Includes logistics and transportation, customs clearance, and overseas after-sales technical support, covering the needs of countries along the Belt and Road Initiative.
  • Cross-Border Engineering Collaboration
  • EPC General Contracting: Participating in overseas power infrastructure projects, providing integrated transformer equipment, installation, and commissioning services.