... OEM,ODM are welcomed 3)Application:auto,toy,electronic All kinds of Spring Features 1.Material:steel,stainless steel.brass, ... 2.Surface:zinc plating ,powdered,golden etc., 3.All our products are made by high-quality steels and first ... Trade experience Over 30 years4Strong enginnering teamAccurately read drawing,offer competitive price and gurantee good qualitly products5PackingInner plastic bag ...