Co Khi Thang Long Address: No 535, Nguyen Tam Trinh Street, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101100025 Phone: 0248627524 Representative: Vuong Ngoc Minh Adress: 248 Minh Khai, Minh Khai Ward, Hai Ba Trung District, Ha Noi City Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 8 - 3 - 2001