The inserted thermostat is widely applied in electrical kitchen appliances such as electric grill, pizza maker, electric deep-fryer, frying-pan, electric hot pot, fish roaster etc. ALL of our inserted thermostat will be made full inspection before shipment. We will use an automatic inspection device to check the wiring to ensure the quality of the wiring, which effectively avoids the misconnection, short circuit and disordering of L wire and ground wire , makes products safer and more reliable.