Ack Group LTD Address: No 4, Alley 50/20, Phuong Bang Street, Hamlet 2, Son Dong Commune, Hoai Duc District, Ha Noi City Enterprise code: 0111398202 Phone: 0822890000 Representative: Nguyen Van Toan Son Dong Commune, Hoai Duc District, Ha Noi CityFounding date: 3 - 3 - 2026