Cong Nghe Ozone Joint Stock Company Address: No 67/2, Van Cao Street, Lieu Giai Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102377365 Phone: 0247611559 Representative: Nguyen Ngoc Duc Adress: No 5C, Cho Doc Tam Da P.Thuy Khue Lane, Tay Ho District, Ha Noi City Lieu Giai Ward, Ba Dinh District, Ha Noi CityFounding date: 5 - 10 - 2007