Thuong Mai Dich Vu Ky Thuat Va Xay Lap Khanh Tien Joint Stock Company Address: No 26, Alley 43/9, Lane 14, Quang Trung Street, Duong Noi Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111234324 Phone: (0227) 4699782 Representative: Bui Duy Khanh Ha Noi CityFounding date: 29 - 9 - 2025