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.
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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 2026 Year-End Sale runs Nov 16 – Dec 20. Lock exclusive prices on transformers, switchgear, RMUs and substations, certified to CE, CB, ISO and IEC.
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Buying a transformer overseas? Learn typical lead times for cast resin, oil-immersed and pad mounted transformers, plus export packing, shipping methods and delivery checks.
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Transformer voltage classes by country: see where 11 kV, 13.8 kV and 33 kV distribution transformers are used and how to specify oil immersed and dry type units.
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Comparing transformer quotes? Learn what cost per kVA really shows, why two prices are rarely equal, and how to check specs, losses and terms before you buy.
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Pad-mounted vs pole-mounted vs compact substation: compare capacity, safety, footprint, cost, installation and best applications to choose the right distribution solution.
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Dry-type and oil-immersed transformer type test vs routine test under IEC 60076: what each proves, which reports to request before you buy, and what to check.
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