PROBLEM TO BE SOLVED: To provide a plating film structure having superior appearance, corrosion resistance and wear resistance, and to provide a treatment process which can be industrially used.
SOLUTION: The method of manufacturing plated molded article in which plating treatment is performed to the surface of a molded article includes: a process (a) of forming a copper plating film on the surface of the molded article according to a brilliance copper sulfate plating; a process (b) of forming a first chromium plating film by performing trivalent chromium plating onto the surface of the copper plating film; and a process (c) of forming a second chromium plating film by performing hexavalent chromium plating onto the surface of the first chromium plating film.
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