Closed Loop Viet Nam Joint Stock Company Address: 2nd Floor, No 7, Lane 188, Le Trong Tan Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0108090866 Phone: 0975582968 Representative: Bach Dang Kien Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 2 - 1 - 2018