Doyou Viet Nam Joint Stock Company Address: Can 09 TTTM Leparc Gamuda City, Phap Van Street, Yen So Ward, Hoang Mai District, Ha Noi City Enterprise code: 0108170254 Phone: 02437858762 Representative: Tran Ngoc Thoan Yen So Ward, Hoang Mai District, Ha Noi CityFounding date: 23 - 2 - 2018