Tanaka Electric
Tanaka Electric
A high-tech enterprise specializing in the production, R&D, and sales of transformers and power distribution equipment — trusted by hundreds of key power projects worldwide.
Zhejiang Tanaka Electric Co., Ltd. is a high-tech enterprise specializing in the production, research and development, and sales of transformers and related products. The company's registered capital amounts to 110 million RMB, founded in 2005 and headquartered in Zhejiang, China.
The company has a strong technical team with 15 senior engineers, over 30 intermediate technicians, and 17 senior technicians. This powerful technical strength provides a solid guarantee for the research and production of world-class transformer products.
As of now, the company has obtained 18 patents, demonstrating remarkable achievements in technological innovation. In addition, to better meet the diverse needs of customers, the company can also assist in purchasing other products on behalf of customers, striving to provide more comprehensive and convenient services.
Over the years, the group has undertaken hundreds of key power projects, casting one high-quality project after another with professionalism and ingenuity. With a workforce of 201–500 employees and continuous investment in modern equipment and R&D, Tanaka Electric remains at the forefront of China's power equipment manufacturing industry.
Every decision, every product, and every project is guided by three unwavering principles that have defined Tanaka Electric since 2005.
With 18 patents and a team of 62+ technical experts, we continuously invest in R&D to deliver cutting-edge transformer solutions that meet evolving global standards and industry demands.
We take customer interests as our own responsibility — from pre-sales consultation and custom engineering to post-installation support, our service commitment extends well beyond delivery.
Pragmatic, innovative, and progressive — we operate strictly in accordance with ISO9001 quality management system standards, ensuring every commitment to our customers is honored without compromise.
Over 120 sets of precision equipment continuously upgraded to deliver the highest quality transformer products with efficiency and consistency.
High-precision computerized winding for consistent coil geometry and superior electrical performance in every transformer.
Advanced vacuum casting technology eliminating air voids for superior insulation integrity and extended transformer lifespan.
Precision foil winding for low-voltage coils ensuring uniform current distribution and minimal eddy current losses.
Intelligent temperature-gradient curing processes ensuring optimal resin polymerization for dry-type transformer insulation.
In recent years, the company has continuously increased investment in technical strength and modern equipment. Currently operating more than 120 sets of various advanced equipment, with ongoing optimization of production processes to ensure world-class manufacturing standards are maintained at every stage.
Formulated strict and perfect quality management standards — every process is monitored to eliminate the outflow of unqualified products.
Strict supplier qualification and material specification verification before any purchase is authorized.
100% incoming material testing against defined electrical and mechanical standards by qualified technicians.
Real-time monitoring at every production stage with statistical process control and operator certification.
Comprehensive electrical testing including no-load loss, load loss, insulation resistance, and withstand voltage tests.
Final verification before dispatch plus on-site installation support to ensure safe and correct commissioning.
Six compelling reasons why leading utilities, contractors, and industrial operators worldwide trust Tanaka Electric for their critical power infrastructure.
Founded in 2005, Tanaka Electric brings two decades of specialized transformer manufacturing experience, with deep domain knowledge across power, industrial, and renewable energy applications.
18 patents and a 62+ member technical team including 15 senior engineers ensure continuous innovation. We develop custom transformer solutions tailored to each client's unique technical requirements.
Certified to ISO9001, ISO14001, CE, and CCC standards — our products meet the rigorous requirements of both domestic Chinese markets and international export destinations worldwide.
From power transformers and dry-type transformers to complete transformer substations, accessories, oil-immersed transformers, and distribution boxes — a comprehensive one-stop solution provider.
We provide high-quality products that meet the characteristics of each region, ensuring compliance with local grid codes, voltage standards, and environmental conditions wherever your project is located.
Our commitment extends beyond delivery. We offer installation guidance, commissioning support, technical training, and procurement assistance to ensure your power systems operate flawlessly.
A complete portfolio of transformer and power distribution solutions engineered for reliability, efficiency, and longevity across all application sectors.
High-performance power transformers designed for transmission and distribution networks. Available in a wide range of voltage ratings and capacities to meet diverse grid requirements.
Core ProductEnvironmentally safe, fire-resistant dry-type transformers ideal for indoor installations, commercial buildings, data centers, and locations requiring enhanced safety standards.
Best SellerCompact and complete transformer substation solutions for rapid deployment in industrial parks, renewable energy projects, and urban infrastructure development programs.
Turnkey SolutionRobust oil-immersed transformers offering excellent cooling efficiency and overload capability for heavy industrial applications, mining operations, and outdoor installations.
Heavy DutyHigh-quality distribution boxes and switchgear assemblies designed for safe and efficient power distribution in residential, commercial, and industrial electrical systems.
DistributionA comprehensive range of transformer accessories including bushings, conservators, cooling fans, tap changers, and protection relays to support complete transformer system integrity.
Full SupportOur products and quality management systems are validated by internationally recognized certification bodies, ensuring compliance and customer confidence worldwide.
Quality Management System certification ensuring consistent product quality, process control, and continuous improvement across all manufacturing operations.
Environmental Management System certification demonstrating our commitment to sustainable manufacturing practices and minimizing environmental impact throughout our operations.
European Conformity marking confirming that our transformer products meet all applicable EU health, safety, and environmental protection requirements for export to European markets.
China Compulsory Certification ensuring our products meet national safety and quality standards required for sale and distribution within the Chinese domestic market.
Tanaka Electric offers comprehensive OEM and ODM services for transformer manufacturers, distributors, and project developers worldwide. Our flexible manufacturing platform and deep engineering expertise enable us to produce custom transformer solutions that precisely match your brand, specifications, and market requirements.
From initial design consultation and prototype development through to mass production and global logistics coordination, we serve as a trusted manufacturing partner for clients across North America, Europe, Southeast Asia, the Middle East, and Africa.
Our procurement assistance service also allows clients to source complementary power equipment through our established supplier network, providing a truly comprehensive one-stop sourcing experience.
Over the years, the group has undertaken hundreds of key power projects, casting one high-quality project after another with professionalism and ingenuity.
Zhejiang, China
Supplied and commissioned a complete set of 10kV dry-type transformers for a large-scale industrial manufacturing park. The project required custom voltage ratios and enhanced thermal performance to support 24/7 heavy industrial loads across 12 production buildings.
Southeast Asia Export Project
Delivered step-up power transformers for a 50MW solar photovoltaic power station, enabling grid connection at 110kV. Custom enclosures and tropical climate specifications were engineered to withstand high humidity and extreme temperature variations.
Municipal Infrastructure Project
Provided a complete supply of compact transformer substations and oil-immersed distribution transformers for a major city grid modernization program. The project improved power supply reliability for over 200,000 residential and commercial end-users.
Trusted by project developers, EPC contractors, and utilities across multiple continents — here is what our clients say about partnering with Tanaka Electric.
"We have sourced dry-type transformers from Tanaka Electric for three consecutive projects. The product quality is consistently excellent, and their technical team provided invaluable support during the design phase. Delivery was on schedule and the after-sales service is outstanding."
"Tanaka Electric's OEM service is exactly what we needed. They produced transformers to our exact specifications with our brand labeling, meeting all CE certification requirements. The quality control process is thorough and transparent — we receive full test reports for every unit."
"We selected Tanaka Electric for our solar farm grid connection project based on their technical reputation and competitive pricing. Their engineers provided excellent pre-sales technical support, and the transformers have been operating flawlessly since commissioning. Highly recommended."
Key facts and figures about Zhejiang Tanaka Electric Co., Ltd. — your trusted transformer manufacturing partner since 2005.
| Business Type | Manufacturer |
|---|---|
| Product Range | Transformers, Power Distribution Equipment |
| Products / Services | Power Transformer, Dry-type Transformer, Transformer Substation, Transformer Accessories, Oil-immersed Transformers, Distribution Box |
| Total Employees | 201 – 500 |
| Registered Capital | 110 Million RMB |
| Year Established | 2005 |
| Certifications |
ISO9001
ISO14001
CE
CCC
|
Contact Zhejiang Tanaka Electric Co., Ltd. today for a customized transformer solution, technical consultation, or OEM partnership inquiry.
In the ever-evolving landscape of mining operations, selecting the right equipment is crucial. Among these, the Mining Duty Transformer stands out as
Author: Sophia Date: 2026-03-30
Learn More
As the 2026 Canton Fair approaches, the spotlight will shine on innovative technologies in various sectors. One of the most critical areas is Power
Author: Oliver Date: 2026-03-27
Learn More
Choosing the right power transformer is crucial for businesses participating in the 2026 Canton Fair. This event will showcase advanced manufacturing
Author: Ethan Date: 2026-03-26
Learn More
