With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.
表理有发黑、磷化、机锌、达克罗、镍、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.
尽管一般是通过液态蘸,有时候也会用电解的方法,在电镍和铜时就通常使用电。
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