Sach Va Truyen Thong Quang Van Joint Stock Company Address: B11, Lane 280, Ho Tung Mau Street, Phu Dien Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0104221444 Phone: 02437970609 Representative: Trinh Minh Tuan Adress: 230, K3 Street, Cau Dien Town, Tu Liem District, Ha Noi City Phu Dien Ward, Bac Tu Liem District, Ha Noi CityFounding date: 23 - 10 - 2009