Ky Thuat Va Thuong Mai Hadetech Viet Nam Joint Stock Company Address: 56C, Alley 318/198, Ngoc Tri Street, Thach Ban Ward, Long Bien District, Ha Noi City Enterprise code: 0108960238 Phone: 0888831089 Representative: Tran Thi Trinh Thach Ban Ward, Long Bien District, Ha Noi CityFounding date: 25 - 10 - 2019