Crossflow fans are widely used in the following industrial fields:

1. Electronic and electrical industry: Crossflow fans are widely used to dissipate heat in electronic and electrical equipment. For example, electronic equipment such as computers, servers, network equipment, televisions, and audio systems usually require crossflow fans to keep their operating temperatures within an acceptable range.

2. Manufacturing: In the manufacturing industry, crossflow fans are often used to cool mechanical equipment such as machine tools, stamping machines, injection molding machines, etc. They help control the temperature of the equipment to prevent overheating and failure.

3. Vehicle industry: Crossflow fans play an important role in the heat dissipation and ventilation of automobiles and efficiency tools. For example, car wash engine compartments, engine cooling systems, brake systems, etc. may use crossflow fans to keep the temperature stable and dissipate heat.

4. Refrigeration and air conditioning industry: Crossflow fans are key components in refrigeration and air conditioning systems. They are used in air conditioning equipment, cooling towers, refrigeration equipment, etc. to help circulate air, dissipate heat, and regulate indoor temperature.

5. Construction and building engineering: In construction and building engineering, crossflow fans are often used in ventilation and air circulation systems. They may be used in various buildings such as office buildings, commercial centers, factories, warehouses, etc. to provide good indoor air quality and a comfortable environment.

6. Chemical and petroleum industries: In many processes in the chemical and petroleum industries, crossflow fans are used for ventilation, exhaust and gas treatment. For example, they can be used in chemical plants, refineries, storage tanks, pipeline systems, etc.

7. Food and beverage industry: In the food and beverage industry, crossflow fans are used for heat dissipation and ventilation of food processing, refrigeration and storage equipment. They help to maintain the freshness and quality of food.

It should be noted that the specific application of crossflow fans in different industrial fields may vary. When choosing a crossflow fan, it is necessary to consider the needs and requirements of the specific industry to ensure that the appropriate model and specifications are selected.