The existing methods of zinc plating blackening by black passivating, coloring, dyeing, etc. are studied, and the high resistance to corrosion of the passivator is highlighted.
综述了镀锌层黑钝化、着色、染色等黑化处理的方法，重点研究了高抗蚀的黑钝化处理。
At present, our plating types are: zinc-plating, nickel-plating, black zinc-plating, black nickel-plating, gold-plating, epoxy-plating, chrome –plating, etc.
目前我司电镀的种类有：镀锌、镀镍、黑锌、黑镍、镀金、镀环氧树脂、镀铬等。
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