Ky Thuat Nen Mong Va Xay Dung 20 Joint Stock Company Address: No 61e La Thanh, Lang Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0106707945 Phone: 02437754676 Representative: Nguyen Gia Huy Adress: No 70, Civil Group 28, Phuong Liet Ward, Thanh Xuan District, Ha Noi City Lang Thuong Ward, Dong Da District, Ha Noi CityFounding date: 4 - 12 - 2014