Thuong Mai Va Ky Thuat Cong Nghe Ha Noi Joint Stock Company Address: 6th Floor, No 70, Lot 7, Den Lu 2 Street, Tuong Mai Ward, Hoang Mai District, Ha Noi City Enterprise code: 0111452964 Phone: 0913208639 Representative: Nguyen Viet Dung Tuong Mai Ward, Hoang Mai District, Ha Noi CityFounding date: 8 - 4 - 2026