Thuong Mai Va Truyen Thong Viet Thanh Joint Stock Company Address: No 10, Lane 433, Au Co, Nhat Tan Ward, Tay Ho District, Ha Noi City Enterprise code: 0102246958 Phone: 0247190294 Representative: Nguyen Thi Nguyet Yen Adress: No 10, 433 Au Co Lane, Tay Ho District, Ha Noi City Nhat Tan Ward, Tay Ho District, Ha Noi CityFounding date: 12 - 5 - 2007