Thuong Mai Son - Dau Joint Stock Company Address: No 36, Civil Group 4, Khu 4, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701410620 Phone: 02036569398 Representative: Do Thi Thu Trang Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 22 - 6 - 2010