What is coloring process for comestic packing?
Coloring process for cosmetic packing materials Anodized aluminum: aluminum exterior, wrapped with a layer of plastic on the inner layer. Electroplating (UV): Compared with the spray image, the effect is brighter. Spraying: Compared with electroplating, the color is dull. Outer spraying of the inner bottle: spraying on the outside of the inner bottle, there is…