Tu Van Tai Nguyen Va Moi Truong Viet Nam Joint Stock Company Address: No 41, 67 To 9 Lane, Khuong Trung Street, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101785883 Phone: 02422253259 Representative: Huynh Thi Lien Adress: Zoom 11 Nha M, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Khuong Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 7 - 10 - 2005