On 16th February 2021, PTT (Lao) donated drinking water to the Faculty of Environmental Sciences and the Faculty of Economics and Business Administration, National University of Laos. Presented by Mr. Vansavang Songseng, Deputy Managing Director of Non-oil Business, PTT (LAO) CO., LTD together with PTT staffs, and the teachers of the two faculties continue to cooperate, to contribute to the organization of the activities of the National University.