Dau Tu Phat Trien Thai Son Thanh Joint Stock Company Address: No 16, Tran Hung Dao Street, Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101416607 Phone: 0248245343 Adress: No 09, Lane 68, Ngoc Thuy Street, Ngoc Thuy Ward, Long Bien District, Ha Noi City Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi CityFounding date: 10 - 11 - 2003