... .Meet CE,FDA standard aluminum optical glasses,fashion optical glasses,optical glasses frame1.Aluminum optical glasses2.Fashionable,Resistant to rust3. ... 2000 management system4.Meet CE and FDA standard Aluminum optical glasses have the same virtue as the sunglasses - ... firmly, environmentally and antioxidation. Compare to other material in optical, it also have the following features:1.Fashionable: The ...