Dau Tu Va Phat Trien Cong Nghe Vien Thong Stech Joint Stock Company Address: No 17, Alley 30/63, Lai Xa Street, Kim Chung Commune, Hoai Duc District, Ha Noi City Enterprise code: 0109138038 Phone: 0936016962 Representative: Le Van Kien Kim Chung Commune, Hoai Duc District, Ha Noi CityFounding date: 25 - 3 - 2020