With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.
表面处有黑、磷化、机锌、达克、、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.
尽管通过液态锌蘸洗钢铁镀锌,有时候也会用电法,在电镀镍和铜时就通常使用电镀。
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