DHTC Viet Nam Joint Stock Company Address: 4th Floor Phong 403, Ocean Park Building, No 1, Dao Duy Anh Street, Phuong Lien Ward, Dong Da District, Ha Noi City Enterprise code: 0107972569 Phone: 0966820333 Representative: Tran Thi Bich Thuy Phuong Lien Ward, Dong Da District, Ha Noi CityFounding date: 21 - 8 - 2017