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Zhengzhou, Henan Province, China
High Quality, Reliable, and Long lasting Transformer
Sinotech transformers are engineered with premium silicon steel cores and pure copper windings, featuring low energy loss, high efficiency, and stable performance for long-term continuous operation. Adopting advanced insulation technology and fully sealed oil-immersed or dry-type structure, our transformers deliver excellent waterproof, dustproof, and corrosion resistance, adapting perfectly to outdoor, high-temperature, humid, and coastal harsh working environments.
30+ Years of Industry Expertise
With over 30 years of combined experience in power electrical engineering, Sinotech brings unmatched technical depth to every project. Our team understands the complexities of different voltage levels, load profiles, and environmental conditions.
Large Manufacturing Capability
Sinotech operates a world-class manufacturing base capable of handling both small custom orders and large-volume utility projects. Our scale ensures consistent quality, competitive pricing, and reliable delivery for clients worldwide.
Comprehensive Product Portfolio
Sinotech offers a complete range of power transformation products, eliminating the need for multiple suppliers. From distribution transformers to prefabricated substations, we cover your entire power infrastructure requirements.
Full Customization Capability
Sinotech engineers custom transformer solutions for high-altitude zones, extreme temperatures, corrosive atmospheres, and renewable energy applications with documented project success.
IEC, ANSI, and CE Certified Quality
Every Sinotech transformer meets stringent international standards. We provide full test reports and certification documentation with each shipment, ensuring regulatory compliance in your target market.
Rigorous Quality Control Process
Quality is built into every step of our manufacturing process. From silicon steel core selection to vacuum oil filling, Sinotech maintains strict controls to guarantee performance, safety, and long service life.
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OEM Power Transformer Supplier
Our production lines support both standard power transformer models and fully custom designs, with annual capacity exceeding 15,000 transformer units. We have successfully executed OEM orders for clients in Southeast Asia, the Middle East, Africa, Latin America and more.
Our production lines support both standard power transformer models and fully custom designs, with annual capacity exceeding 15,000 transformer units. We have successfully executed OEM orders for clients in Southeast Asia, the Middle East, Africa, Latin America and more.
Sinotech welcomes inquiries from distributors, brand owners, and EPC contractors seeking a reliable power transformer manufacturer.
Tanzania — Off-Grid Solar Hybrid Project
“Our project combines solar generation with battery storage and diesel backup at 12 remote sites across the Kilimanjaro region. Sinotech’s transformers interface our hybrid power systems with the local distribution network. The factory team was helpful with custom secondary voltage configurations to match our inverter output specifications. Every unit has performed reliably through the rainy season without issues.”
Global Clients
