Tai Nguyen Moi Truong Son Tung Joint Stock Company Address: Na Phia Hamlet, Yen Phu Town, Bac Me District, Ha Giang Province Enterprise code: 5100252835 Phone: 0905668889 Representative: Do Thi Tuyet. Adress: 127, B2, Giai Phong Street, Phuong Liet Ward, Thanh Xuan District, Ha Noi City Yen Phu Town, Bac Me District, Ha Giang ProvinceFounding date: 10 - 7 - 2008