Dau Tu Thuong Mai Tong Hop Dai Son LTD Address: Doan Ket Hamlet, Dai Son Commune, Van Yen District, Yen Bai Province Enterprise code: 5200932224 Phone: 0988576679 Representative: Dang Anh Tai Dai Son Commune, Van Yen District, Yen Bai ProvinceFounding date: 18 - 7 - 2022