pressed round metal parts of rotary switch 1.20 years experience for metal stamping part ... parts of rotary switch Stamping parts material Ag Cu, brass, bronze, CuSn, CuNi, Ni, CuNiZn, and so onWelding point material Ag, ... AgNi, AgCuNi, and AgSnO2 Application Micro switch, push-button switch, rock switch, toggle switch, rotary switch, wall switch, relay, thermostat, ...