Tu Van Thiet Ke, Quang Cao Va Thuong Mai Hoi Nghe Si LTD Address: No 88, Xuan Thuy Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0101787552 Phone: 0242671197 Representative: Pham Van Khoa Adress: Hamlet 3, Trinh Xuyen Hamlet, Ninh Giang District, Hai Duong Province Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 7 - 10 - 2005