Xay Dung Ky Thuat Dien Thanh An Joint Stock Company Address: No 3, Alley 22, Lane 565, Lac Long Quan Street, Xuan La Ward, Tay Ho District, Ha Noi City Enterprise code: 0109954886 Phone: 0974871789 Representative: Nguyen Xuan Thanh Adress: Cay Chanh Hamlet, Dinh Son Commune, Anh Son District, Nghe An Province Xuan La Ward, Tay Ho District, Ha Noi CityFounding date: 4 - 4 - 2022