Tap Doan Mien Nam Hydrogen Joint Stock Company Address: 2nd Floor, No 35a, 45 Tran Thai Tong Lane, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0109826267 Phone: 02477799179 Representative: Tran Ngoc Anh Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 22 - 11 - 2021