Khao Sat Thiet Ke Va Xay Dung Duc Huy LTD Address: No 399a, Quang Trung Street, 3P Civil Group, Kien Hung Ward, Ha Dong District, Ha Noi City Enterprise code: 0111461856 Phone: 0974983136 Representative: Pham Thi Kim Oanh Kien Hung Ward, Ha Dong District, Ha Noi CityFounding date: 15 - 4 - 2026