Truong Mam Non Cao Thang - Thanh Pho Ha Long Address: Civil Group 53, Khu 6a, Cao Thang Ward, Cao Thang Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700657544 Phone: 0203823823 Representative: Nguyen Thi Tuyet Mai Adress: Civil Group 3, Khu 1, Hong Hai Ward, Ha Long City, Quang Ninh Province Cao Thang Ward, Ha Long City, Quang Ninh ProvinceFounding date: 1 - 6 - 2007