Our switch has four type, First type is rotary switch, the second is button switch, the third is limit switch, the fourth is cam switch. Rotary switches we have two type , one is for instant water heater, the second is for household oven cooker; to the button switch it is apply for instant heater; to the limit switch it is used for hair dryer machine; and the cam switch we offer for welding machine and other industrial machines, etc.