Hoan Chau LTD Address: No 344, Nghi Tam Street, Quang An Ward, Tay Ho District, Ha Noi City Enterprise code: 0101497892 Phone: 0247197789 Representative: Le Thi Nhung Adress: No 10, Hang Buom Street, Hoan Kiem District, Ha Noi City Quang An Ward, Tay Ho District, Ha Noi CityFounding date: 14 - 6 - 2004