... ,tec. material 6063,6061,6005,6463,6063Atemper T3-T8Surface treatment Mill finish,anodizing,powder coating,electrophoresis,wood grained,themal bresk.etc ... have the advanced treatment line as follow:1. Untreated profiles (Mill finish)2. Anodizing3. Power coating4. Electrophoresis5. Wood grain6. Fluorocarbon7 Thermal ... , Punch, Weld,etc. Pls see the production process flow wooden grain shutter profile