Dao Tao Va Phat Trien Tai Nang Ruby LTD Address: No 307, Civil Group 69, Khu 8, Cao Thang Ward, Ha Long City, Quang Ninh Province Enterprise code: 5702116526 Phone: 0822025858 Representative: Nguyen Sy Tan Adress: No 307, Civil Group 69, Khu 8, Cao Thang Ward, Ha Long City, Quang Ninh Province Cao Thang Ward, Ha Long City, Quang Ninh ProvinceFounding date: 7 - 6 - 2022