Nguyen Hoang Yen Bai LTD Address: Civil Group 34, Yen Ninh Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200794197 Phone: 0912738199 Representative: Nguyen Van Thang Yen Ninh Ward, Yen Bai City, Yen Bai ProvinceFounding date: 11 - 1 - 2013