Thuong Mai Ky Thuat Dai An LTD Address: No 9/91/86, Dai Tu Hamlet, Kim Chung Commune, Hoai Duc District, Ha Noi City Enterprise code: 0109397226 Phone: 0979451393 Representative: Nguyen Van Thanh Kim Chung Commune, Hoai Duc District, Ha Noi CityFounding date: 2 - 11 - 2020