DONGNAM PETROLEUM IND. CO., LTD
DONGNAM Petroleum Ind. Co., Ltd. is one of the major insulating oil manufacturers in South Korea.
Being established in 1973, we have years of accumulated technical know-hows, ensuring the quality and reliability of our insulating oil. We have patent registered environmentally friendly Natural Ester (vegetable oil based) “BIOTRAN-35” which is less flammable (UL Listed and FM Approved) and has longer lifespan.
Our electrical insulating oil currently meets and/or exceeds the various international standards. DONGNAM is ISO 9002 and 14001 certified.
Brands: -BIOTRAN-35 (Natural Ester): K-Class environmentally friendly insulating oil (UL listed and FM Approved)
-ESTRAN: Mineral based electrical insulating oil, being used in super high voltage transformers