Khai Khoang Mien Bac LTD Address: No 736, Dien Bien Street, TDP Minh Tan 8, Yen Bai Ward, Tinh Lao Cai, Viet Nam Enterprise code: 5200969672 Phone: 0374592601 Representative: Tran The An Yen Bai Ward, Yen Bai City, Lao Cai ProvinceFounding date: 18 - 6 - 2026