Dich Vu Moi Truong Thang Long Joint Stock Company Address: No 88, Lane 203, Hoang Quoc Viet, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0101156758 Phone: 02437320540 Representative: Nguyen Phuc Thanh Adress: No 36, Hang Can Street, Hang Dao Ward, Hoan Kiem District, Ha Noi City Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 28 - 8 - 2001