Tu Van Du Hoc Havi - Tech LTD Address: No 48 Le Van Thiem, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0108501675 Phone: 0967688858 Representative: Ho Quoc Linh Adress: Khoi 8, Thanh Chuong Town, Thanh Chuong District, Nghe An Province Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 8 - 11 - 2018