... ,CQC Certification by China QCC 1.about the product:1.Material: AL alloy 6000 series, 3000series, 5000series .2.Temper: T3-T8 ... , furniture, part of luggage etc8.Color: Silver ,Golden ,Black ,Red ,Blue and so on2.About the factory:Shandong Ruigao Aluminum Group , is ... .location: welcome friends to contact us all over the world. aluminum profile for building