We are a leading professional manufacturer dedicated to the design, production, and sales of high-quality power transformers. Our core business encompasses a comprehensive range of transformers, including Distribution Transformers (up to 35kV), Dry-Type Transformers, Oil-Immersed Transformers, and Compact Substations.
Technological Strength: Operating from a modern facility spanning over 90,000 square meters, we boast an annual production capacity exceeding 3,000,000 kVA. Our manufacturing process integrates advanced equipment for core processing, coil winding, vacuum drying, and tank fabrication.
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Frequently Asked Questions
1. Does your factory hold international quality certifications?
Yes, our factory is ISO 9001 Quality Management System certified. Our products comply with international standards such as IEC (International Electrotechnical Commission) and CE.
2. What is your annual production capacity?
We operate a modern production base with an annual capacity exceeding 10,000 units, ranging from oil-immersed to dry-type transformers (30KVA to 20MVA).
3. How do you ensure the quality of each transformer?
We implement strict source control on raw materials, process control at critical production stages, and a rigorous final factory inspection with detailed test reports for every unit.
4. What is the difference between copper and aluminum windings?
Copper windings offer higher conductivity and efficiency with a longer lifespan, while aluminum windings provide a lower-cost, lighter-weight alternative. We offer both based on project requirements.
5. What is the standard delivery lead time?
Standard small transformers typically take 15-30 days, while large or customized units may require 45-90 days depending on specifications.
6. What kind of after-sales technical support do you provide?
We offer a 12-month warranty, remote technical assistance via video/email, and a long-term stable supply of spare parts to ensure operational reliability.
Tanaka Electric
