Tu Van Tai Nguyen Va Moi Truong Tuong Anh Joint Stock Company Address: Civil Group 7, Khu 1, Gieng Day Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701499153 Phone: 02033512119 Representative: Doan Khuong Hoat Gieng Day Ward, Ha Long City, Quang Ninh ProvinceFounding date: 18 - 7 - 2011