Tu Van Thiet Ke Cap Thoat Nuoc Va Moi Truong Thang Long Joint Stock Company Address: No 19, Nguyen Gia Thieu Street, Tran Hung Dao Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0105241570 Phone: 02823373313 Representative: Bui Hung Adress: Civil Group 20, Phuc Loi Ward, Long Bien District, Ha Noi City Tran Hung Dao Ward, Hoan Kiem District, Ha Noi CityFounding date: 5 - 4 - 2011