Nghien Cuu Va Phat Trien Cong Nghe Giao Duc Vina Stem Tech LTD Address: No 11, Lane 97, Van Cao Street, Ngoc Ha Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111174065 Phone: 0988179558 Representative: Duong Thi Hai Linh Ha Noi CityFounding date: 12 - 8 - 2025