5ya Joint Stock Company Address: No 44M2, 37 Tran Kim Xuyen Lane, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0109513401 Phone: 0979797156 Representative: Nguyen Van Khanh Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 28 - 1 - 2021