Ky Thuat Cong Nghe Va Dich Vu O To Bach Khoa LTD Address: No 113 Nha A9. Thong Tan, Viet Nam Commune, Bach Mai Ward, Ha Noi City Enterprise code: 0111379707 Phone: 0829218245 Representative: Le Van Nghia Ha Noi CityFounding date: 5 - 2 - 2026