Hoang Hau Quang Ninh Joint Stock Company Address: Moi Hung Thang Urban Area, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700466853 Phone: 02033808257 Representative: Dam Thuy Duong Adress: 1, C5 Khu NTL, Phu Thuong Ward, Tay Ho District, Ha Noi City Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 16 - 10 - 2003