Dich Vu Vien Thong Cong Nghe Hoang Kim LTD Address: No 1172, Lang Street, Lang Ward, Dong Da District, Ha Noi City Enterprise code: 0111452160 Phone: 0981814545 Representative: Ngo Thi Thu Huyen Dong Da District, Ha Noi CityFounding date: 8 - 4 - 2026