... 2008,SGS,ROHS approval metal connectors for battery supplier 1. It is used to fastened on battery 2 Processing :stamping +rivet3.We ... here only to present the scope of our manufacturing activities, and are not for sale. Materialscarbon steel(cold rolled steel ... ),stainless steel,copper,brass,aluminum,etc Surface TreatmentAll kinds of surface treatment is available.polishing.zinc plating.nickel plating. ...