Feed Material → Chemical Degreasing → Water Washing → Alkali Etching → Water Washing → Water Washing → Acid Washing → Water Washing → Water Washing → Anodizing → Anodizing → Anodizing → Water Washing → Water Washing → Coloring → Water Washing → Coloring → Water Washing → Coloring → Water Washing → Coloring → Water Washing → Unloading