About us

UOLEN^® is a specialized heat transfer fluid company integrating product R&D, application development, and import/export sales. Leveraging modern technology, UOLEN^® continuously innovates eco-friendly, high-valueadded products, committed to empowering the temperature control industry with thermal fluids and providing customers with high-quality products and application technology solutions. Our product portfolio includes high-and low-temperature heat transfer fluids, high temperature heat transfer fluids, open bath oils, and other silicone oils.

The“UOLEN^®”brand series of heat transfer fluids and high/low-temperature synthetic heat transfer oils offer a complete range with wide operating temperature spans, precisely matching for users diverse processes and temperatures from -120℃ to 400℃ (-184℉ to 752℉). UOLEN^® series fluids feature low pour points, low kinematic viscosity at low temperatures, high specific heat capacity, excellent metal corrosion resistance, and are colorless and odorless, which can effectively replace traditional secondary refrigerants such as chilled brine and alcoholwater solutions. This product effectively addresses the issue of corrosion in equipment pipelines and valves caused by using traditional secondary refrigerants for heat exchange in various industries, providing users with a superior alternative.

With over a decade of accumulated experience in heat fluid technology and temperature control equipment services, UOLEN^® possesses a highly skilled and professional technical team capable of delivering high-quality thermal fluid application solutions. We collaborate long-term with temperature control equipment manufacturers, serving as a regular supplier to hundreds of equipment OEMs. Currently, our users span across all provinces in China and have been exported to international markets including Southeast Asia, South America, Europe, the United States, and the Middle East, cumulatively serving over 3,000 enterprises. Our products have been applied in dozens of fields such as research institutes, university laboratories, aerospace, electronics, pharmaceutical synthesis, pesticide synthesis, petrochemicals, new materials, new energy, lithium batteries, coal chemical industry, food processing, as well as textile and chemical fiber industry.

UOLEN^® adheres to the cultural philosophy of“Integrity, Progress, Collaboration, and Innovation”, continuously exploring fluid technology, innovating products, providing excellent services to customers, and contributing to the development of the temperature control industry!