Kien Truc 5a Joint Stock Company Address: No 134D, Civil Group 7, Lane 92, Mai Dong Street, Mai Dong Ward, Hoang Mai District, Ha Noi City Enterprise code: 0107799709 Phone: 0973951268 Representative: Nguyen Tien Dung Mai Dong Ward, Hoang Mai District, Ha Noi CityFounding date: 11 - 4 - 2017