Dao Tao & Thiet Ke Toc Calvin Tu LTD Address: No 17 Hang Bun, Nguyen Trung Truc Ward, Ba Dinh District, Ha Noi City Enterprise code: 0106618685 Phone: 0964135007 Representative: Nguyen Xuan Tu Adress: No 17 Hang Bun, Nguyen Trung Truc Ward, Ba Dinh District, Ha Noi City Nguyen Trung Truc Ward, Ba Dinh District, Ha Noi CityFounding date: 15 - 8 - 2014