Cong Nghe Greenstep LTD Address: No 203, Giap Nhat Street, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0108415867 Phone: 0869298160 Representative: Ma Hoang Anh Adress: No 195, Kim Dong Street, Minh Tan Ward, Yen Bai City, Yen Bai Province Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 29 - 8 - 2018