Tu Van Khoa Hoc Ky Thuat Giao Thong Joint Stock Company Address: Hong Ha Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200266398 Phone: 0982093216 Representative: Nguyen Van Tinh Adress: Thanh Nien Street, Hong Ha Ward, Yen Bai City, Yen Bai Province Hong Ha Ward, Yen Bai City, Yen Bai ProvinceFounding date: 6 - 12 - 2006