Cong Nghe D.H.C Viet Nam Joint Stock Company Address: No 24, 104 Le Thanh Nghi Lane, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0108025225 Phone: 0246230346 Representative: Hoang Huu Tien Pham Van Dai Bach Khoa Ward, Hai Ba Trung District, Ha Noi CityFounding date: 16 - 10 - 2017