Dau Tu Ky Thuat Dao Tao Tam Thinh Joint Stock Company Address: Lane 93, Vu Huu Street, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0104065308 Phone: 0902250058 Representative: Duong Trung Hiep Adress: 1 Nguyen Dinh Chieu, Nguyen Du Ward, Hai Ba Trung District, Ha Noi City Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi CityFounding date: 22 - 7 - 2009