... High accuracy: +/-0.01mm Precision machined cnc aluminum metal parts with color anodized of auto alternator adjust DescriptionsMaterial:AluminumSurface treatment:Different ... YiXin Surface finish: Professional linePolishing,Brushingk,color anodizing,... Precision machining(turning,milling..)sand blasting,powder coating,painting, Stamping,mold build,injection,die ...