Hoang Thanh Joint Stock Company Address: Zoom 604 Nha N08 Khu Chung Cu Dich Vong, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0101493665 Phone: 02437714697 Representative: Trinh Kim Thanh Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 8 - 6 - 2004