Tu Van Va Cong Nghe Thang Long Joint Stock Company Address: No 146, Lane 189, Nguyen Ngoc Vu Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0106818733 Phone: 0913358984 Representative: Nguyen Huu Loc Adress: No 2 C5, 1a Civil Group, Trung Liet Ward, Dong Da District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 10 - 4 - 2015