Cong Nghe Dai Gia Joint Stock Company Address: No 255B Kham Thien, Tho Quan Ward, Dong Da District, Ha Noi City Enterprise code: 0101748779 Phone: 0248512121; 0245636973 Representative: Nguyen Dinh Hung Adress: Hamlet 4, Lai Yen Commune, Hoai Duc District, Ha Noi City Tho Quan Ward, Dong Da District, Ha Noi CityFounding date: 18 - 8 - 2005