Yes.
Before electroplating, zinc should be immersed first, and then electroplated. If high quality is required, zinc immersion should be done twice.
Oxidation is divided into anodic oxidation, chemical oxidation and micro-arc oxidation.
However, oxidation is troublesome. If you just want to avoid surface rust and powder, you can use our 703D aluminum alloy antioxidant liquid.
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How many courses do I need to study for the qualification of medical beauty attending physician?
Medical beauty attend