Our transformers are designed according to international standards and delivered to customers with assured-quality and perfect after-sale services.
Environmental protection, safety, easy maintenance, noise and heat dissipation performance is relatively weak.
Learn MoreReasonable structure, excellent performance, diversity of cooling methods, wide application and environmental protection
Learn MoreHigh mechanical strength, low noise, small size, high insulation level, long life, resista
Learn MoreEnvironmental protection, safety, easy maintenance, noise and heat dissipation performance is relatively weak.
Learn More
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.
Years of experience in manufacturing high-quality, reliable transformers.
Full after-sales service to keep your transformers running smoothly.
ZTELEC extends warm Spring Festival greetings for 2026, wishing global partners prosperity, success, and continued cooperation in the new year.
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Learn how transformers are made with a detailed explanation of the complete transformer manufacturing process, from raw material selection and core production to coil winding, oil immersion, testing, and final packaging.
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Detailed analysis of 630 kVA oil filled transformer prices, covering design parameters, materials, standards, and market factors influencing overall cost.
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n-depth analysis of 500 kVA oil filled transformer prices, explaining key cost factors including materials, standards, design parameters, and market conditions.
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This 500kVA transformer price guide explains key cost factors, technical specifications, application scenarios, and practical purchasing considerations for industrial and utility buyers.
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Oil-immersed transformers are widely used in industrial power systems for efficient voltage transformation, high reliability, and long service life. Learn about their functions, benefits, and industrial applications.
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