Uchange Joint Stock Company Address: 57, Quang Trung Street, Nguyen Du Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0109827380 Phone: 0981848189 Representative: Nguyen Van Vu Nguyen Du Ward, Hai Ba Trung District, Ha Noi CityFounding date: 22 - 11 - 2021