Thuong Mai Dich Vu Va Phat Trien Vien Thong Sao Do LTD Address: Lau 2, No 25/5 C1 Quang Trung, Ward 8, Go Vap District, Ho Chi Minh City Enterprise code: 0303510458 Phone: 0289125716 Representative: Nguyen Quang Tuyen Adress: Loi Dong Hamlet, Cong Hoa Ward, Chi Linh Town, Hai Duong Province Ward 8, Go Vap District, Ho Chi Minh CityFounding date: 18 - 10 - 2004