New process of bright chromium electroplating for automobile lampshades. A pretreatment process and formula for plastic parts that integrates "roughening, sensitization and activation" has been developed. The difference from the traditional pretreatment process lies in its low process cost, easy operation and long solution life.

And researched the formula and formula of low chromic acid containing dilute + additive by chromium plating. The results show that the use of this new process for electroplating ABS plastic parts can greatly improve production efficiency on the basis of obtaining a bright, smooth, uniform and dense chromium plating layer with good adhesion.

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