Trung Tam Kiem Dinh Ky Thuat An Toan Khu Vuc 1 Address: 2 Ngo Thi Nham, Hoan Kiem District, Ha Noi City Enterprise code: 0100110341 Phone: 02439438049 Representative: Nguyen Huu Chien Adress: 178 Tay Son Lane, 1 Nha So 8 Trung Liet Alley, Dong Da District, Ha Noi City Hoan Kiem District, Ha Noi CityFounding date: 21 - 5 - 1998