Parts pre-treatment, oil removal, and rust removal (can be processed offline) → water washing → flash plating to replace copper → water washing → mechanical galvanizing deposition transition bottom layer → mechanical galvanizing deposition → water polishing → parts pouring and separation → hot water washing (or press It is required that the surface of the parts is chromium passivated and dipped into the relevant protective layer) → dried and dried → tested and accepted.

Answers

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