Gan Ket Joint Stock Company Address: 6th Floor, Sky City Tower A, 88, Lang Ha Street, Lang Ha Ward, Dong Da District, Ha Noi City Enterprise code: 0107789108 Phone: 0981832988 Representative: Nguyen Danh Tuan Lang Ha Ward, Dong Da District, Ha Noi CityFounding date: 3 - 4 - 2017