Khoang San Xanh Quang Ninh Joint Stock Company Address: No 28 Cap Be, Civil Group 68, Khu 5B Bach Dang, Hong Gai Ward, Ha Long City, Quang Ninh Province Enterprise code: 5702223091 Phone: 0968100555 Representative: Vu Ha Trung Hong Gai Ward, Ha Long City, Quang Ninh ProvinceFounding date: 15 - 4 - 2026