... do OEM.5.Surface treatment:Zinc,Nickel,silver,golden,tin,powder coating.6.Applications: Automotive, medical device, ... electronics, toy,etc Stainless Steel spring lock pin Verified Information This information is Verified by Bureau ... Actual Units Produced(Previous Year) Spring, Pin, Stamping, Clip Spring 117,100,000 Pcs ... Pcs Per Year Spring 69,000,000 Pcs, Pin 6,000,000 Pcs, Stamping 5,000,000 ...