design of the combustion chamber ensures that under normal operating conditions, the hot air furnace will not become blocked over the long term. It can also maintain the designed combustion and exchange efficiency over the long term. The use of automatic feeding, intelligent temperature control, and other automated controls has realized safe operation, simple operation, and easy maintenance. The product series includes models such as 5LS-30, 5LS-120, 5LS-240, 5LS-410, 5LS-520, 5LS-820, and 5LS-1200. This series of hot air furnaces is not only suitable forCompanion grain, rapeseed, and other agricultural product drying machinery but can also be used for heating greenhouses and greenhouses, and can beComplementary other industries for low-temperature heating or drying equipment.