Phat Trien Duc Manh Joint Stock Company Address: Civil Group 4, Khu 1a, Quang Hanh Ward, Cam Pha City, Quang Ninh Province Enterprise code: 5701455815 Phone: 02033936075 Representative: Tran Van Bay Adress: Civil Group 6, Khu 6, Yet Kieu Ward, Ha Long City, Quang Ninh Province Quang Hanh Ward, Cam Pha City, Quang Ninh ProvinceFounding date: 7 - 1 - 2011