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、达克罗、镀镍、镀铜等工艺。
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、达克罗、镀镍、镀铜等工艺。
声明：
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