DONGNAM Petroleum Ind. Co., Ltd. is a leading insulating oil manufacturer based in South Korea, supplying a wide range of high-quality insulating oils for applications from distribution transformers to high-voltage power transformers.

In addition to mineral-based oils, we also produce BIOTRAN-35, a fire-resistant and environmentally friendly natural ester fluid. BIOTRAN-35 is UL Classified and FM Global approved, meeting international standards for safety and performance.

With proven reliability and a strong focus on innovation and sustainability, DONGNAM continues to support global transformer manufacturers with advanced insulating solutions tailored to modern electrical and environmental demands.

What will visitors gain by visiting your booth?

Visitors to our booth will gain in-depth insights into our full range of insulating oil solutions, including our natural ester BIOTRAN-35.Our team will be available for one-on-one consultations to understand specific technical or commercial requirements and provide tailored recommendations. Exclusive offers and technical materials will also be available to qualified visitors.

Are you planning any booth activities?

We will be offering complimentary giveaways and branded gifts to our visitors. Our team will also be on hand to provide engaging technical discussions, creating a valuable and welcoming experience for all attendees.