With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.
表面处理有发黑、、、克罗、镍、铜等工艺。
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Though galvanisation is often done by dipping steel in liquid zinc, it is sometimes done by electrolysis-nickel and copper plating are normally done this way.
尽管一般是态锌蘸洗钢铁镀锌,有时候也解的方法,在镀镍和铜时就常使镀。
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