Co Khi Ha Son Joint Stock Company Address: Street 32, Nhon, Tay Tuu Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0101716953 Phone: 0247657542 Representative: Phung Thi To Quyen Adress: Street 32, Nhon, Xuan Phuong Commune, Tu Liem District, Ha Noi City Tay Tuu Ward, Bac Tu Liem District, Ha Noi CityFounding date: 14 - 7 - 2005