Yawei Power Transformers | Global Power Solutions Provider
China’s Leading Power Transformer Manufacturer, Delivering Efficient, Safe, and Reliable Solutions to Customers Worldwide
About Yawei Group | A Global Leading Power Transformer Manufacturer
Founded in 1993, Yawei Group employs over 2,000 staff, including more than 300 engineers and technical professionals, and occupies over 900 acres of modern production facilities. Since 2024, the group’s annual sales have reached approximately RMB 5 billion.
We specialize in manufacturing 500KV, 400KV, 330KV, 220KV, and 110KV ultra-high voltage transformers; dry-type, oil-immersed, and amorphous alloy transformers up to 35KV; wind, solar, and energy storage transformers; and prefabricated substations. Our export products include single-phase and three-phase transformers for the US market, pole-mounted transformers, pad-mounted transformers, isolation transformers, control transformers, voltage stabilizers, as well as arc-suppression coils, Bitcoin transformers, prefabricated cabins, reactors, electric furnace transformers, rectifier transformers, mining transformers, and shipboard transformers.
Our products have obtained multiple international certifications, including IEC, UL, TUV, CE, KEMA, and GOST, and are widely used worldwide, covering 72 countries and regions such as the USA, Europe, Canada, and Mexico, earning strong trust from global customers.
Contact usOur R & D Capabilities
At Yawei Transformer, innovation drives our leadership in the global transformer industry. Since our founding in 1993, we have invested heavily in research and development, building a dedicated team of over 300 engineers and technical professionals. Our R&D facilities include advanced laboratories, design centers, and testing labs, ensuring that every transformer we produce meets the highest standards of performance, reliability, and safety.
Our expertise covers a wide range of transformer technologies, including:
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Ultra-high voltage transformers (500KV, 400KV, 330KV, 220KV, 110KV)
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Dry-type, oil-immersed, and amorphous alloy transformers up to 35KV
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Transformers for renewable energy applications, including wind, solar, and energy storage
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Specialized and custom transformers for industrial, commercial, mining, shipboard, and cryptocurrency applications
Customer-Centric Custom Solutions
At Yawei Transformer, we specialize in fully customized transformer solutions designed to meet each client’s unique technical and operational needs, delivering maximum reliability, efficiency, and performance across all projects.
Cutting-Edge Technology & Engineering
Our advanced R&D centers and testing laboratories ensure every transformer is engineered to the highest standards of safety, efficiency, and durability, providing innovative solutions for complex and specialized industrial applications.
Global Reach & Trusted Performance
With deployments in over 72 countries, Yawei Transformers power ultra-high voltage grids, renewable energy projects, and critical industrial systems worldwide, ensuring dependable performance and long-term reliability.
Innovative Transformer Design
At Yawei Transformer, design is at the heart of our service. Our expert engineering team integrates advanced simulation tools, cutting-edge materials, and rigorous testing protocols to develop transformers that meet the highest standards of efficiency, reliability, and safety. Each design is fully tailored to client specifications, ensuring solutions that precisely match technical and operational requirements. From ultra-high voltage projects to renewable energy and specialized industrial applications, our design process balances innovation, performance, and durability to deliver products you can trust for the long term.
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Transformer Cases and Customers
Yawei Transformer has successfully supplied high-quality transformer solutions to customers across multiple industries and regions worldwide. Our transformers are trusted by industrial enterprises, utility companies, renewable energy developers, and commercial projects for their stable performance and long service life.
Industrial and Manufacturing Customers
Yawei transformers are widely used in factories, production lines, and industrial parks in the USA, Canada, Mexico, Brazil, and Argentina. These customers rely on our transformers for continuous power supply, high load capacity, and reliable operation in demanding industrial environments.
Utility and Power Distribution Projects
Our transformers have been delivered to utility and power distribution projects in South America, Africa, and Guyana. These cases include urban power networks, rural electrification, and infrastructure expansion projects, where Yawei transformers provide safe, efficient, and long-term power distribution.
Renewable Energy Project Cases
Yawei Transformer supports solar and wind energy projects in Australia, North America, and South Africa. Our transformers are used in photovoltaic power plants and wind farms, helping customers achieve stable grid connection and efficient energy transmission under varying environmental conditions.
Full-Process Manufacturing Capability
From Core Materials to Final Testing, Quality Controlled at Every Step
Yawei Transformer is a full-process transformer manufacturing enterprise with complete in-house capabilities covering material processing, component production, assembly, and testing. Our production flow includes silicon steel cutting, enameled wire manufacturing, transformer enclosure production, precision assembly, and comprehensive factory testing. By maintaining strict quality control throughout the entire manufacturing process, we ensure every transformer meets high standards of performance, reliability, and safety. This integrated manufacturing approach allows Yawei Transformer to deliver consistent, efficient, and application-ready transformer solutions for customers worldwide.
Full Capacity in Our factory Manufacturing Plant
3000+
Annual Transformer Units Produced
Our production plant is capable of manufacturing over 3,000 transformer units annually, covering a wide range of power ratings and voltage levels. This stable output capacity enables Yawei Transformer to support large-scale projects, bulk orders, and long-term supply agreements for global customers.
3000+
Customized Transformer Solutions Delivered
With strong engineering and manufacturing capabilities, Yawei Transformer has delivered more than 3,000 customized transformer solutions tailored to specific application requirements. From utility and industrial systems to renewable energy projects, we support diverse operating conditions and technical standards.
3000+
Projects Supported Worldwide
Yawei Transformer products have been successfully supplied to over 3,000 projects worldwide. Our transformers are widely used in power distribution, industrial manufacturing, infrastructure, and energy systems, earning long-term trust from customers across multiple international markets.
How Transformers Are Made Step by Step
Engineering & Core Preparation (Step 1–2)
The transformer manufacturing process begins with professional engineering design and core material preparation. Yawei Transformer’s engineering team develops customized designs based on application requirements, capacity, voltage level, and operating conditions. Premium silicon steel sheets are then precisely cut and processed using automated equipment to ensure dimensional accuracy and consistent core performance. This stage establishes the foundation for efficiency, reliability, and long-term operational stability.
Component Manufacturing & Protection (Step 3–4)
In this stage, key transformer components are manufactured to meet strict electrical and mechanical standards. High-quality copper or aluminum enameled wire is produced with advanced insulation processes to ensure excellent conductivity and thermal resistance. At the same time, durable transformer enclosures are fabricated using high-strength steel and anti-corrosion treatments, providing reliable protection for internal components across various environments and applications.
Assembly, Testing & Quality Assurance (Step 5–6)
The final stage focuses on precision assembly and comprehensive quality verification. Transformer cores, windings, insulation systems, and accessories are assembled according to standardized procedures by skilled technicians. Each completed transformer then undergoes a full range of factory tests, including electrical, insulation, and performance evaluations, ensuring compliance with international standards and delivering safe, reliable operation upon installation.
After-Sales Service
Comprehensive Support Throughout the Entire Lifecycle of Your Transformer
At Yawei Transformer, we are committed to delivering professional after-sales service that supports your transformer throughout its entire operational lifespan. As an experienced transformer manufacturer, we understand that long-term performance, safety, and reliability are just as important as product quality.
Our service begins with installation guidance and commissioning support to ensure your transformer is properly set up and operates smoothly from day one. Throughout its service life, Yawei provides scheduled maintenance assistance, performance evaluation, and technical consultation to help maximize efficiency and minimize downtime.
In addition, we offer fast-response technical support, genuine spare parts, and transformer upgrades or retrofits to keep your equipment aligned with evolving operational requirements and industry standards. Whether it is routine maintenance or system optimization, our service team is dedicated to extending the service life and improving the reliability of your transformer.
With Yawei Transformer, you receive more than a product—you gain a long-term service partner. Our expertise, responsiveness, and commitment to excellence ensure your transformer continues to perform safely, efficiently, and reliably from installation to long-term operation.
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Always Here to Support Your Power Systems
At Yawei Transformer, we understand that reliable power means peace of mind. That’s why our service team is always ready to support you—day and night, all year round. From installation to long-term operation, we stand beside you with professional guidance, timely assistance, and dependable after-sales service, ensuring your transformers run safely and smoothly when you need them most.
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