Hong Son LTD Address: No 447, Quang Trung Street, Phu La Ward, Ha Dong District, Ha Noi City Enterprise code: 0500446360 Phone: 0243359836 Representative: Nguyen Van Truong Adress: No 447, Quang Trung Street, Phu La Ward, Ha Dong District, Ha Noi City Phu La Ward, Ha Dong District, Ha Noi CityFounding date: 25 - 3 - 2004