Bychat LTD Address: 167, Yen Hoa Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0108611290 Phone: 0989090201 Representative: Nguyen Huu Huy Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 18 - 2 - 2019