Quang Cao Va Dau Tu Tan Thanh LTD Address: No 267, Tran Dang Ninh Street, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0102362993 Phone: 0242421842 Representative: Trinh Trung Adress: Quarter 4, Bac Son Ward, Bim Son Town, Thanh Hoa Province Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 14 - 9 - 2007