Cong Nghe Tan Khai Sang Joint Stock Company Address: 212-C7 Tap The Quynh Mai, Quynh Mai Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101199208 Phone: 0246365150 Representative: Nguyen Quoc Thanh Adress: 212-C7 Tap The Quynh Mai, Quynh Mai Ward, Hai Ba Trung District, Ha Noi City Quynh Mai Ward, Hai Ba Trung District, Ha Noi CityFounding date: 11 - 1 - 2002