Power Transformer Products

220kV Power Transformer

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110kV Power Transformer

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35kV Power Transformer

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Oil Immersed Distribution Transformer

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Dry Type Transformer

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Box-Type Substation

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About Us

Henan Diteli Electric Co., Ltd manufactures medium- and high-voltage transformers for global power projects. With 30 years of experience and 50 million kVA annual capacity, we serve utilities, EPC contractors, and industrial power systems worldwide. Our solutions support substations, renewable energy plants, and industrial power distribution systems. All transformers are built to IEC standards and certified by ISO, CE, and CQC.

Key Products

  • Oil-immersed transformers (11kV, 22kV, 33kV up to 220kV)
  • Dry-type transformers (up to 66kV)
  • PV energy storage transformers
  • Combined substations
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30+ years

Of Industry Experience

36,000 m2

Factory Area

30,000,MVA

Annual Productivity

30+

Country of Export

220KV

HV Power Distribution

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Why Choose Diteli

• Up to 220kV transformer solutions
• IEC / ISO / CE certified manufacturing
• Custom transformer design for projects
• 24-hour engineering response

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Global Power Project Cases

27 Jul 2026

Accelerating Ukraine Power Grid Modernization: SFFZ-63000kVA 158/6.3/6.3kV All-Copper Main Transformer Put Into Operation for Old Substation Renovation

Supported by our integrated industry & trade manufacturing chain, our company has completed customized production, full routine tests and export shipment of SFFZ-63000kVA 15...

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23 Jul 2026

3-month Successful Delivery of SFFZ-63000kVA 158/10.5/10.5kV All-Copper Transformer for Uganda Substation Upgrade Project

Empowered by our integrated manufacturing and international trade system, we successfully completed the customized production, factory testing and on-time delivery of one SFFZ-6...

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20 Jul 2026

2-month Successful Delivery of SFSZ-40000kVA 115/38.5/11kV All-Copper Power Transformer for Overseas Grid Substation Project

Reliable Power Transformer Solution for Overseas Grid Infrastructure We successfully completed the production, comprehensive factory testing and on-time delivery of one SFSZ-400...

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