Cong Nghe Cao HT21 Joint Stock Company Address: No 68 Lac Hong, 93 Hoang Van Thai Lane, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0107942028 Phone: 0932237173 Representative: Dao Duc Huy Khuong Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 1 - 8 - 2017