The present invention relates to a plating method for electroplating a metal to be coated on a surface of a substrate metal by pretreatment of the base metal in the order of the steps of abrasive polishing, polish polishing, pickling, alkali ultrasonic treatment and electrolytic degreasing, , It is possible to manufacture a product having a superior plating characteristic by a simple method even if the underlying plating which has a problem in safety and has a great influence on the production cost is omitted by using such a method.
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