Do Dac Quang Ninh Joint Stock Company Address: No 4, Lane 10, Civil Group 10, Khu 3, Hong Hai Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701572237 Phone: 0977705507 Representative: Vu Chi Cong Adress: Dong Vo Hamlet, Thanh Lam Commune, Me Linh District, Ha Noi City Hong Hai Ward, Ha Long City, Quang Ninh ProvinceFounding date: 4 - 1 - 2012