Cong Nghe Xanh Thanh An Joint Stock Company Address: No 16, Lane 24, Nguyen Khuyen Street, Van Quan Ward, Ha Dong District, Ha Noi City Enterprise code: 0108915732 Phone: 0947732662 Representative: Mai Kieu Huong Van Quan Ward, Ha Dong District, Ha Noi CityFounding date: 25 - 9 - 2019