BTK Joint Stock Company Address: No 24, Dang Thuy Tram Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0102066507 Phone: 02437558892 Representative: Nguyen Le Lan Adress: Van Tri Hamlet, Minh Khai Commune, Tu Liem District, Ha Noi City Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 9 - 11 - 2006