... , UL, CE, RoHS 3.OEM Household Using Heaters ceramic heater sheet for household electrical appliances speciafication(mm) electric tension ... technology,communication,medical appliances,daily living equipment etc.1.household electric appliance(small ventilation heater,auxiliary of heated air ... cylinder to prevent condenser,the heating of water,oil,acids, and alkali,etc)4.food processing industry5.medical ...