Quan Tri Van Tai Bistech Joint Stock Company Address: No 19, Civil Group 29, Khu Tai Dinh Cu X2a, Vanh Dai 3 Street, Yen So Ward, Hoang Mai District, Ha Noi City Enterprise code: 0108975516 Phone: 0972010155 Representative: Nguyen Thanh Duong Hoang Dinh Thai Yen So Ward, Hoang Mai District, Ha Noi CityFounding date: 6 - 11 - 2019