Tu Van Va Xay Dung Thuan Thanh Joint Stock Company Address: Civil Group 5, Khu 4, Hong Ha Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701491443 Phone: 02033525156 Representative: Nguyen Cong Thanh Adress: Civil Group 1, Khu 5B, Tan Yen Town, Ham Yen District, Tuyen Quang Province Hong Ha Ward, Ha Long City, Quang Ninh ProvinceFounding date: 15 - 6 - 2011