Ky Thuat Xay Lap Va Thuong Mai Viet Nam Joint Stock Company Address: No 449, Ha Huy Tap Street, Yen Vien Town, Gia Lam District, Ha Noi City Enterprise code: 0105112374 Phone: 02466835468 Representative: Nguyen Van Thanh Adress: Ngo Phuc Hamlet, Hiep Hoa District, Bac Giang Province Yen Vien Town, Gia Lam District, Ha Noi CityFounding date: 11 - 1 - 2011