Tu Van Tai Nguyen Va Moi Truong Joint Stock Company Address: No 53 Nguyen Ngoc Nai, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0104172130 Phone: 02435665004 Representative: Tran Nguyen Trung Adress: Hamlet 4, Nghia Tan Commune, Nghia Hung District, Nam Dinh Province Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 22 - 9 - 2009