Vien Vat Ly Dia Cau Address: Hoang Quoc Viet - Nghia Do Street, Cau Giay District, Ha Noi City Enterprise code: 0100965770 Phone: 0248352380 Representative: Nguyen Xuan Anh Adress: 113, G6 Thanh Xuan Nam, Thanh Xuan District, Ha Noi City Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 1 - 2 - 2000