Dau Tu Thuong Mai Yen Ngoc Joint Stock Company Address: No 7, Alley 39, An Trach I Lane, Doan Thi Diem Street, Quoc Tu Giam Ward, Dong Da District, Ha Noi City Enterprise code: 0104760968 Phone: 02436425361 Representative: Thai Thi Hong Chung Adress: 217, C8, Quynh Mai Ward, Hai Ba Trung District, Ha Noi City Quoc Tu Giam Ward, Dong Da District, Ha Noi CityFounding date: 15 - 6 - 2010