Cong Nghe Duc Thinh Joint Stock Company Address: No 18, Lane 192, Giai Phong Street, Phuong Liet Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101639843 Phone: 0248687337 Representative: Nguyen Thanh Quan Adress: P102 A5, Mai Dong Town, Mai Dong Ward, Hoang Mai District, Ha Noi City Phuong Liet Ward, Thanh Xuan District, Ha Noi CityFounding date: 21 - 4 - 2005