MTV Xay Dung Thai Son Tay Bac LTD Address: Phieng Ban Ii Hamlet, Bac Yen Town, Bac Yen District, Son La Province Enterprise code: 5500546999 Phone: 0914035888 Representative: Nguyen Van Dung Bac Yen Town, Bac Yen District, Son La ProvinceFounding date: 16 - 1 - 2017