With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.
表
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.
表有发黑、磷化、机械镀锌、达克罗、镀镍、镀铜等工艺。
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