About Us
DTL (Diteli Electric), founded in 2008, is a China-based manufacturer with nearly 30 years of expertise in medium- and high-voltage power transformers. We integrate R&D, design, manufacturing, and sales, with an annual production capacity of 50 million kVA. Our portfolio includes dry-type, oil-immersed, and prefabricated substations, all engineered to IEC, ISO, CE, and CQC standards under strict quality control.
Key Products
- Oil-immersed transformers (11kV, 22kV, 33kV up to 220kV)
- Dry-type transformers (up to 66kV)
- PV energy storage transformers
- Combined substations
30+ years
of Industry Experience
36,000 m2
Factory Area
30,000,000 KVA
Annual Productivity
30+
Country of Export
220KV
High-Voltage Power Distribution
Comprehensive Full-Cycle Service
· Pre-sales: 24h quick response
· Mid-sales: Fast delivery
· After-sales: Technical & after-sales support
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Diverse transformer types，ISO, CE, CQC certified Customized industry solutions
Our Project Cases
High-Performance 22kV Dry-Type Transformer Supports Czech BESS Development
22kV Dry-Type Transformer for New Energy Storage in the Czech Republic Project Background As the Czech Republic ...
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Diteli Electric Provides 35kV Oil-Immersed Transformer for Nigerian Industrial Park
35kV Oil-Immersed Transformer in Nigeria Project Background Industrial parks in Nigeria often operate under high...
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35kV Transformer Project Completed in Ukraine
35kV Main Transformer in Ukraine Project Background As part of a grid expansion and modernization project in a r...
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