Dau Tu Cong Nghe Saf Viet Nam Joint Stock Company Address: No 6, Lane 122/1, Linh Nam Street, Mai Dong Ward, Hoang Mai District, Ha Noi City Enterprise code: 0106022980 Phone: 0915992389 Representative: Nguyen Thi Lien Adress: Cam Loi 1 Hamlet, Thach Cam Commune, Thach Thanh District, Thanh Hoa Province Mai Dong Ward, Hoang Mai District, Ha Noi CityFounding date: 26 - 10 - 2012