Van Phong Dai Dien Ha Noi - Cong Ty Co Phan Kien Truc Noi That Smartdesign Address: No 63a Nguyen Khoai, Hong Ha Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0108005571-002 Phone: 0948576666 Ha Noi CityFounding date: 31 - 10 - 2025