Tu Van Dia Ky Thuat SD Joint Stock Company Address: Khu 6, Tram Troi Town, Hoai Duc District, Ha Noi City Enterprise code: 0107682919 Phone: 0988484081 Representative: Pham Trung Kien Tram Troi Town, Hoai Duc District, Ha Noi CityFounding date: 27 - 12 - 2016