With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.
理有发黑、磷化、机械镀锌、
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.
理有发黑、磷化、机械镀锌、克罗、镀镍、镀铜等工艺。
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容亦不代本软件的观点；若发现问题，欢迎向我们指正。
