Ky Thuat Aas Joint Stock Company Address: No 97, Trung Phung Street, Tho Quan Ward, Dong Da District, Ha Noi City Enterprise code: 0110949023 Phone: 0983454990 Representative: Nguyen Quoc Hai Tho Quan Ward, Dong Da District, Ha Noi CityFounding date: 5 - 2 - 2025