Automatic Anodizing Line for Automotive Interior Aluminum Trim | 8–12μm Decorative Oxide Film Brief Intro This customized automatic anodizing production line is specially engineered for mass processing of automotive interior aluminum decorative strips. It supports brushed pre-treatment, chemical polishing, dual coloring modes (electrolytic coloring & dye staining) and medium-temperature sealing, delivering consistent brushed silver, piano black and wood-grain matched finishes