Dien Tu Va Tin Hoc Van Xuan LTD Address: 346 Lac Trung, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101401826 Phone: 0249875983 Representative: Bui Duc Trung Adress: 57 73 Nguyen Du Civil Group, Cam Pha City, Quang Ninh Province Vinh Tuy Ward, Hai Ba Trung District, Ha Noi CityFounding date: 17 - 9 - 2003