Non standard cold pier components:
Commonly used: various fishing accessories, electronic product lead pins, various electronic coils as skeleton terminals, lead pins, non-standard screws and rivets for various electrical accessories, etc
Common materials: Astatine steel wire, purple copper wire, brass wire, tin coated copper wire, phosphor copper wire, low carbon steel or high cut steel
General surface treatment: nickel plating, gold plating, tin plating, silver plating, zinc plating, copper plating |
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