Phat Trien Cong Nghe Thuong Mai HTC Viet Nam Joint Stock Company Address: No 31a, Do Thuan Lane, De To Hoang Street, Cau Den Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0105641184 Phone: 0904811680 Representative: Nguyen Thi Ngoc Thach Adress: Lieu Noi Hamlet, Khanh Ha Commune, Thuong Tin District, Ha Noi City Cau Den Ward, Hai Ba Trung District, Ha Noi CityFounding date: 16 - 11 - 2011