Well Sys E&C LTD Address: Zoom 102 So 9, Do Quang Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0106475998 Phone: 02397389630 Representative: Nguyen Van Ly Adress: Hamlet 1, Nhuan Trach Hamlet, Van Thang Commune, Ba Vi District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 7 - 3 - 2014