Heating device

Have a heating device heating device, PTC, electric wire.
1, no heating means, by definition there is no heating means
Apply more stringent requirements for the temperature of the place, jet hand dryer place frequently used mobile phones,
For example: Frozen vegetables, frozen dumplings packaging workshop
2, PTC heating
PTC thermistor heating, because as the ambient temperature changes, PTC heating power also changes, winter PTC heating power increases, dryers blow warm air temperature increases, energy saving and environmental protection.
PTC is characterized by a constant temperature is good, but there are some shortcomings,hand dryer is no electric wire temperature up fast