Cong Nghe Cao Hai Yen Joint Stock Company Address: No 6, Lane 190, Nguyen Trai Street, Thuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102121243 Phone: 0245771003 Representative: Truong Hong Nam Adress: No 2, Lane 15, Kham Thien Street, Tho Quan Ward, Dong Da District, Ha Noi City Thuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 27 - 12 - 2006