Tu Van Thiet Ke Va Xay Dung Ngoc Luan Joint Stock Company Address: No 3, Le Thanh Nghi Street, Civil Group 9, To Hieu Ward, Son La City, Son La Province Enterprise code: 5500567879 Phone: 0975503816 Representative: Dao Dinh Luan To Hieu Ward, Son La City, Son La ProvinceFounding date: 6 - 6 - 2018