Khoang San Bien Dong LTD Address: P303, 3rd Floor, No 362, Hue Street, Phuong, Hai Ba Trung District, Ha Noi City Enterprise code: 0111573535 Phone: 0383670485 Representative: Vu Dinh Chien Hai Ba Trung Ward, Hai Ba Trung District, Ha Noi CityFounding date: 16 - 7 - 2026