Industrial air heater is an essential equipment in the development of intelligent industry, which is composed of blower motor, electric heater and control circuit. Among them, portable electric air heater, universal industrial air heater, medium pressure plate industrial air heater, circulating industrial air heater, high pressure industrial air heater, large-scale industrial air heater, metal mold casting industrial air heater, large and medium-sized stainless steel plate industrial air heater are widely used in electronic devices, food, pharmaceutical industry, packaging and other fields. Industrial air heater is the best choice for industrial pyrogen upgrading. It is the best warm air source for heating transport furnace, dryer equipment, drying box, packaging machine and other automation equipment. It has a very broad application and promotion market prospect.