Edtech Bigtree Land Joint Stock Company Address: Shophouse Ed.103, Chung Cu Ecodream, Lane 300, Nguyen Xien Street, Thanh Liet Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111189093 Phone: (0238) 8645671 Representative: To Thi Thuy Thanh Liet Ward, Thanh Tri District, Ha Noi CityFounding date: 26 - 8 - 2025