Dau Tu Va Xay Dung Tan Truong Son LTD Address: No 1a5 Yen Bai 1, Phuong, Hue Street, Hai Ba Trung District, Ha Noi City Enterprise code: 0101138163 Phone: 0242141169 Representative: Nguyen Do Huyen Adress: No 1a5 Yen Bai 1, Phuong, Hue Street, Hai Ba Trung District, Ha Noi City Pho Hue Ward, Hai Ba Trung District, Ha Noi CityFounding date: 29 - 6 - 2001