Thuong Mai Va Ky Thuat Trang An LTD Address: No 5B, Tran Duy Hung Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101168834 Phone: 02422250518 Representative: Nguyen Hoai Giang Adress: Civil Group 3, Trung Hoa Ward, Cau Giay District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 16 - 10 - 2001