About Us
Your Trusted Transformer Manufacturing Partner
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 (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 MVA
Annual Productivity
30+
Country of Export
220KV
HV Power Distribution
Can we visit your factory before placing an order?
Absolutely. During your visit, you can review our production lines, testing laboratory, quality control process, and ongoing projects. We can also arrange technical discussions with our engineering team to review your project requirements in detail.
Sales Director
Do you provide FAT (Factory Acceptance Test)?
Yes. We support full FAT inspection according to IEC standards. Clients or third-party inspectors can witness routine tests, type tests, and special tests as required.Complete test reports and documentation will be provided before shipment.
lab Manager
Are you a manufacturer or a trading company?
We are a dedicated manufacturer specializing in power transformers. Our production facilities include transformer winding workshops, core assembly lines, metal fabrication units, and high-voltage testing laboratories.We maintain full control over manufacturing, quality inspection, and factory testing to ensure long-term reliability for utility and industrial applications.
Technical Director
What is your approach to project delivery and timelines?
Production schedules are defined after technical confirmation and contract approval.Our planning team coordinates raw material procurement, manufacturing stages, and final testing to align with project milestones.For time-sensitive EPC projects, we evaluate priority production scheduling to support contractual deadlines.
Production & Quality Manager
What warranty and after-sales support do you provide?
Our standard warranty terms range from 12–24 months depending on project type and contractual agreement.During the warranty period, we provide remote technical support and necessary spare parts. For large projects, extended warranty and long-term service agreements can be discussed.Our objective is to support the full lifecycle of the equipment.
International Business Director
Still Have Questions?
Our engineering team can help you choose the right transformer solution. Send your requirements and receive a customized proposal within 24 hours.
Technical
Why Choose Diteli
• Up to 220kV transformer solutions
• IEC / ISO / CE certified manufacturing
• Custom transformer design for projects
• 24-hour engineering response
