Dau Tu Va Cong Nghe Dolphin Viet Nam Joint Stock Company Address: No 22e2, 562 Thuy Khue Lane, Buoi Ward, Tay Ho District, Ha Noi City Enterprise code: 0105315871 Phone: 02437593225 Representative: Doan Chien Thang Adress: No 30 Bach Dang, Nam Dinh City, Nam Dinh Province Buoi Ward, Tay Ho District, Ha Noi CityFounding date: 18 - 5 - 2011