... 3.make as the drawing pressed round metal parts of rotary switch Stamping parts material Ag Cu, brass, bronze, CuSn ... AgSnO2 Application Micro switch, push-button switch, rock switch, toggle switch, rotary switch, wall switch, relay, thermostat, and others All of our products exported ... tested and inspected by a group of trained and experienced staff. Various types of shape or size can be customized ...