1.Material:aluminum,brass.cooper. carbon steel. 2,SGS Certificate 3.OEM,ODM welcomed 4.Can pass 48 salt spray before rust. Battery Spring Pin Connector (Samples Welcomed ) 1.Material:steel,stainless steel.brass,aluminum,brass.cooper. carbon steel.2.Surface:zinc plating ,powdered3.All our products are made by high-quality steels and first-class producing processOur Advantage;1FactoryEstablished in ...