Ky Thuat Va Thuong Mai Elma Joint Stock Company Address: No 3, 90/132/11 Gia Quat Lane, Thuong Thanh Ward, Long Bien District, Ha Noi City Enterprise code: 0108029406 Phone: 02473050082 Representative: Truong Thanh Dong Thuong Thanh Ward, Long Bien District, Ha Noi CityFounding date: 19 - 10 - 2017