... required sizes 3. ISO14001-2004 and ISO9001 -2000 aluminium display rack:1. Material: 6063, 6005, 6061 2. Surface: mill ... , mill, rivet ProductCustomized aluminium extrusion profileCertification:ISO9001-2000 Quality System and ISO14001-2004 Environment SystemMaterial Numberaluminium alloy 6005, 6060, 6061 ... friends to come and negotiate business. aluminium display rack with beautiful smooth surface