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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
Fast Delivery
Delivering certified power solutions with safety, efficiency, and reliability.
Welcome to Our Booth
We actively participate in international exhibitions, welcoming global customers to visit our booth, exchange ideas, and explore cooperation opportunities
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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