1 电镀硬铬 Hard chrome

2 模具硬铬 Model hard chrome

3 局部硬铬 Local hard chrome

4 化学镀镍

ENP（Electroless nickel plating）

备注 硬铬电镀层能为产品提供较高耐磨性及使用寿命， 主要工艺应用于滚轴，量具磨具，耐磨操作平台等； 化学镀镍处理能提供厚度均一的美观镀层，并有较高防腐性能。 Hard chrome coating can provide high wear resistance and Service life, the process is used in the roller, measuring tools, etc. ENP can provide uniform thickness coating, and good corrosion resistance.