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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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Our outstanding products

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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

Top Oil-Immersed Transformer Manufacturers in 2026 | Global Supplier Comparison Guide

Compare the world's leading oil-immersed transformer manufacturers in 2026. Explore transformer suppliers, technical capabilities, certifications, lead times, pricing, and procurement strategies for power grid, industrial, renewable energy, and EPC proje

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33kV Substation Design Guide | Equipment Selection, Cost & Installation

Comprehensive 33kV substation design guide covering AIS vs GIS selection, global construction costs, transformer sizing, IEC/IEEE standards, EPC procurement strategy, and installation best practices for industrial and renewable energy projects.

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How to Choose the Right Dry-Type Substation Transformer for Commercial and Industrial Applications

Learn how to choose the right dry-type substation transformer for commercial buildings, factories, hospitals, data centers, and infrastructure projects. Compare transformer capacity, insulation class, IP protection ratings, certifications, and lifecycle c

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High Voltage Switchgear Manufacturer | KYN28, XGN & GIS Switchgear Supplier | IEC & ANSI Certified

Professional high voltage switchgear manufacturer offering KYN28 metal-clad switchgear, XGN fixed switchgear, and GIS gas insulated switchgear. Compliant with IEC 62271 and ANSI/IEEE standards for substations, industrial power systems, renewable energy pr

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Mineral Oil vs Ester Fluids for Transformers: Fire Safety, Cost, and Environmental Impact Analysis

Comprehensive comparison of mineral oil and ester insulating fluids for transformers, including fire safety, lifecycle cost, and environmental impact analysis for oil-immersed and liquid-filled transformers.

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Sealed Transformer vs Conservator Transformer: Moisture Protection and Maintenance Difference Analys

Comprehensive analysis of sealed transformers and conservator transformers, covering structural design, moisture protection, maintenance requirements, lifecycle cost, and application differences to help engineers and buyers select the right oil-immersed t

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