▎ 摘　　要

NOVELTY - The utility model claims a protective layer structure of pearl copper coating coated with hydroxyl graphene electrophoretic paint, comprising a steel substrate, the steel substrate from inside to outside to prepare the watt nickel plating layer, acid copper plating layer, electrophoresis paint coating. The advantages of the utility model are: the prepared protective layer is beautiful and elegant; and the corrosion resistance is high; it has good market prospect.