Dau Tu Va Phat Trien Cong Nghe Kelden Ai LTD Address: No 7, 12B Alley, Lane 89, Pham Van Dong Street, Phu Dien Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0111447604 Phone: 0904560930 Representative: Nguyen Tuan Hiep Phu Dien Ward, Bac Tu Liem District, Ha Noi CityFounding date: 6 - 4 - 2026