With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.
面处理有发黑、磷化、机械镀锌、
罗、镀镍、镀
等工艺。
；罗处理；罗涂料With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.
面处理有发黑、磷化、机械镀锌、罗、镀镍、镀等工艺。
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，
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