Khoa Hoc Cong Nghe Moi Truong Trung Hoan LTD Address: No 86a, 337 Pham Van Dong Lane, Xuan Dinh Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0111422374 Phone: 0975333916 Representative: Du Xuan Thang Xuan Dinh Ward, Bac Tu Liem District, Ha Noi CityFounding date: 20 - 3 - 2026