Now it is widely used in a series of small dlectrical heater such as hair curler, temperature invariable cup, temperature invariable bottle, electrical hot board, dryer, hand warmer and so on.

• 现已广泛应用于煮水器、汤发夹、保温器、保温瓶、电热板、电汤门、干燥器、暖手器等小型发热电器上。