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Our products

Our transformers are designed according to international standards and delivered to customers with assured-quality and perfect after-sale services.

Dry type transformer

Environmental protection, safety, easy maintenance, noise and heat dissipation performance is relatively weak.

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Oil immersed transformer

Reasonable structure, excellent performance, diversity of cooling methods, wide application and environmental protection

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Special purpose transformer

High mechanical strength, low noise, small size, high insulation level, long life, resista

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Transformer accessories

Environmental protection, safety, easy maintenance, noise and heat dissipation performance is relatively weak.

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Why Choose Us

ZTELEC Transformers: Quality and Service You Can Trust

Founded in 1958, Henan Ztelec Electric Technology Group (ZTELEC Group) designs transformers to meet international standards. We ensure top performance and reliability, with quality assurance and excellent after-sales service. Choose ZTELEC for trustworthy transformers.

Experience

Years of experience in manufacturing high-quality, reliable transformers.

Quick Support

Full after-sales service to keep your transformers running smoothly.

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Case

The repurchase rate is as high as 90%, Always Reliable.
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Our products are designed to comply with the exacting technical demands of Electrical Distribution Network Operators throughout the world.

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Let’s Check Some Latest Blog

Latest Blog

10kV Oil-Immersed Transformer: Oil Replacement or Filtration? Chromatographic Analysis Explained

Should a 10kV oil-immersed transformer be re-oiled or filtered? This article explains oil aging mechanisms, chromatographic analysis, and decision standards to help ensure safe and reliable transformer operation.

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20kV Dry-Type Step-Up Transformer for Solar PV Applications | Compact Design and Low Loss

The 20kV dry-type step-up transformer provides high efficiency, low losses, and fire-safe operation for solar PV systems. Ideal for rooftop, utility-scale, and hybrid renewable power applications.

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Complete Guide to Dry-Type Transformer Models: Latest Models and Technical Trends

Complete Guide to Dry-Type Transformer Models: Explore the latest dry-type transformer models, technical specifications, and future trends. Learn about epoxy cast, H-class insulation, and smart dry-type transformers for efficient and safe power systems.

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10kV Oil-Immersed Transformer Selection Guide: Capacity, Model, and Price

10kV Oil-Immersed Transformer Selection Guide: Learn how to choose the right capacity, model, and understand price factors for 10kV oil-immersed transformers. Professional insights for industrial and utility applications.

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Oil-Immersed Transformer Capacity and Application Scenarios: How to Match Accurately?

Learn how to accurately match oil-immersed transformer capacity with different application scenarios. This guide covers capacity calculation, industry applications, and selection strategies to ensure safety and efficiency.

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How to Perform DC Resistance Test on Dry-Type Transformers? Key Methods and Precautions

Comprehensive guide on DC resistance testing of dry-type transformers, including principles, test procedures, precautions, and troubleshooting methods for reliable transformer maintenance.

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