Ky Thuat Apex VN Joint Stock Company Address: 1st Floor, V11-B09, Moi An Hung Urban Area, Duong Noi Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111660139 Phone: 0986698000 Representative: Dao Duy Tung Duong Noi Ward, Nam Tu Liem District, Ha Noi CityFounding date: 14 - 10 - 2026