Tu Van Thiet Ke & Xay Dung Gia Khang 6.9 Joint Stock Company Address: 30 Ba Giang 5, Hoa Quy Ward, Ngu Hanh Son District, Da Nang City Enterprise code: 0402121822 Phone: 0982991004 Representative: Phan Huu Khanh Hoa Quy Ward, Ngu Hanh Son District, Da Nang CityFounding date: 11 - 11 - 2021