Quan Huyen LTD Address: No 12, Gam Cau Street, Dong Xuan Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0107353262 Phone: 02704040468 Representative: Bui Manh Quan Adress: No 12, Gam Cau Street, Dong Xuan Ward, Hoan Kiem District, Ha Noi City Dong Xuan Ward, Hoan Kiem District, Ha Noi CityFounding date: 11 - 3 - 2016