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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
Fast Delivery
Delivering certified power solutions with safety, efficiency, and reliability.
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Diverse transformer types
ISO, CE, CQC certified
Customized industry solutions
Pre-sales: 24h quick response
Mid-sales: Fast delivery
After-sales: Technical & after-sales support


























