Rang Dong Light Source & Vacuum Flask Joint Stock Company announces the change in personnel for the new term (2022-2027): Nguyen Hoang Kien: member of the board of directors, Tran Van Thai: independent member of the board of directors. The board of supervisors for the new term (2022-2027): Le Dinh Hung member of the board of supervisors, Ton Nu Thanh Thien: member of the board of supervisors.