Patum Vegetable Oil, the maker of Gaysorn vegetable oil, has collaborated with PTT Global Chemical and ENVICCO Limited to create the first rPET bottle for cooking oil in Thailand. The rPET bottle is made from recycled plastic and meets the standards of the Thai and US Food and Drug Administrations. Gaysorn is the first cooking oil brand in Thailand to use rPET bottles. The initiative aims to reduce plastic waste and carbon emissions.