Dau Tu Giao Duc Quoc Te Welkin LTD Address: No 21, Lien Ket Street, Quyet Tien Hamlet, Van Con Commune, Hoai Duc District, Ha Noi City Enterprise code: 0109996540 Phone: 0946042294 Representative: Nguyen Thi Thuy Linh Van Con Commune, Hoai Duc District, Ha Noi CityFounding date: 13 - 5 - 2022