Co Khi Ecm Joint Stock Company Address: 4th Floor, No 5, Ha Yen Quyet Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0109859897 Phone: 0977808895 Representative: Dao Van Tinh Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 17 - 12 - 2021