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Surface: Zinc clear, zinc yellow , zinc black, Tin-plating, Nickel-plating,
Dacroment, Hot-dip, galvanizing ect.
Our factory supply, spring washers and flat washers

Surface: Zinc clear, zinc yellow , zinc black, Tin-plating, Nickel-plating,
Dacroment, Hot-dip, galvanizing ect.
Our factory supply, spring washers and flat washers



