... kinds of Compression Springs 1.Wire Dia.:0.08mm-10mm 2.ISO9001:2008 3.EU ROHS compliant 4.REACH standard Dong ... wire, tin-plated copper wire, nickel-plated steel wire, non-magnetic stainless steel wire, heat-resistant steel wire, duplex stainless ... copper spring is excellent for electric conduction.Application All kinds of cars, machinery, home appliance, electronic products, electric appliance, ...