Radiastar is a professional Transformer Radiator Manufacturer specializing in high-efficiency cooling solutions for oil-immersed power transformers. We design and produce durable transformer radiators that ensure stable temperature control, improved heat dissipation, and long service life for electrical power systems worldwide.
As a factory-direct supplier, Radiastar provides customized transformer cooling systems for utilities, EPC contractors, and transformer manufacturers across Asia, Africa, Europe, and the Middle East.

A transformer radiator is a key component of an oil immersed transformer cooling system. It helps transfer heat from transformer oil to the surrounding air through natural or forced circulation.
Without an efficient transformer heat dissipation system, transformers may suffer from overheating, insulation failure, and reduced operational lifespan.
Radiastar focuses on engineered solutions for:
Radiastar designs each pressed steel transformer radiator panel based on thermal calculation, oil flow, and transformer capacity.
✔ High heat transfer efficiency
✔ Stable transformer temperature control
✔ Optimized cooling surface area
Radiastar radiators support:
This ensures flexibility for different power transmission system requirements.
Radiastar transformer radiators are built with:
This ensures strong mechanical performance even under long-term load.
To ensure performance in harsh environments, Radiastar uses:
✔ Excellent corrosion resistance
✔ Suitable for coastal and tropical regions
✔ Long service life in outdoor installations

Radiastar products are widely used in:
Indonesia, Philippines, Vietnam – high humidity & temperature environments
Nigeria, Kenya, South Africa – unstable grid and harsh climate conditions
Germany, Poland, Spain – high engineering and quality standards
Radiastar is a trusted transformer radiator exporter for global EPC and utility projects.
✔ High heat transfer efficiency
✔ Stable transformer oil circulation
✔ Strong welding quality inspection system
✔ Pressure-tested transformer radiator units
✔ Long service life design (10–20 years)
These advantages make Radiastar a reliable transformer cooling system supplier for global projects.
Working with Radiastar means:
Ideal for:


Radiastar is more than a manufacturer—we are an engineering-driven partner.
✔ Professional transformer radiator manufacturer
✔ Strong customization capability (OEM/ODM)
✔ Global export experience
✔ Reliable quality control system
✔ Fast response & technical support
✔ Factory direct competitive pricing
Looking for a reliable transformer radiator supplier?
Radiastar provides:
Contact us today for your transformer cooling solution.
A transformer radiator is used to dissipate heat from transformer oil, ensuring stable operation of power transformers.
Radiastar supports ONAN and ONAF cooling systems for oil immersed transformers.
Yes, Radiastar provides OEM and custom design based on transformer capacity and technical drawings.
We export to Southeast Asia, Africa, Europe, and the Middle East.
With proper design and coating, Radiastar radiators can last 10–20 years.


