Cong Nghe Hai An Joint Stock Company Address: No 16 Phung Hung, Hang Ma Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0106387780 Phone: 02439272083 Representative: Nguyen Hanh Quyen Adress: No 16 Phung Hung, Hang Ma Ward, Hoan Kiem District, Ha Noi City Hang Ma Ward, Hoan Kiem District, Ha Noi CityFounding date: 11 - 12 - 2013