Thuong Mai Dich Vu Va Dau Tu Du Lich Bac Son Joint Stock Company Address: Lao Lay Hamlet, Phieng Ban Commune, Bac Yen District, Son La Province Enterprise code: 5500647059 Phone: 0906011116 Representative: Nguyen Nhat Quang Phieng Ban Commune, Bac Yen District, Son La ProvinceFounding date: 28 - 6 - 2022