Stainless steel electric heating tubes are mainly used in electric ovens, electric toasters, bread machines, household heaters, industrial heaters, air fryers, pizza cookers, sandwich ovens, electric irons, electric kettles, coffee machines, electric water heaters, steak machines and other household appliances;Copper heating tubes and aluminum heating tubes are mainly used in electric irons, electric kettles, coffee machines, electric water heaters and other household appliances;Industrial heating tubes are mainly used in solar water heating projects, boilers, water boilers, evaporators, air heaters, chemical heating equipment and other industrial heating equipment.