... 1. OEM service 2.ISO9001:2008,SGS,ROHS approval metal connectors for battery supplier 1. It is used to fastened on battery ... parts, large stamping parts,CNC machined parts,sheet metal parts,aluminum profile and finished products assembly and so forth since 2003 ... are not for sale. Materialscarbon steel(cold rolled steel sheet,galvanized steel sheet or tube),stainless steel,copper,brass,aluminum,etc ...