Cong Nghe Vien Thong Nexmobile LTD Address: 2nd Floor So Nha 16, Alley 1, Lane 159, Tran Phu Street, Phuong, Ha Dong District, Ha Noi City Enterprise code: 0111257226 Phone: 0906211777 Ha Noi CityFounding date: 21 - 10 - 2025