Cong Nghe Va Tu Dong Truong Son Joint Stock Company Address: No 11, Alley 27, Lane 381, Nguyen Khang Street, Cau Giay District, Ha Noi City Enterprise code: 0104264913 Phone: 02466539345 Representative: Nguyen Van Son Adress: Trung Hamlet, Lim Town, Tien Du District, Bac Ninh Province Cau Giay District, Ha Noi CityFounding date: 25 - 11 - 2009