1. Petroleum and chemical industry 

- Refineries: It is used to control the starting, stopping, and speed regulation of various pumps, compressors, agitators, and other equipment, and to monitor the operating status and parameters of the equipment.

- Chemical plants: It controls reactors, transfer pumps, fans, and other equipment during the production process to ensure the safe and stable operation of the chemical production process.

- Oil depots and gas stations: It controls oil pumps, fuel dispensers, and other equipment to ensure the explosion-proof safety during the storage and filling of oil products.

2. Coal industry

- Underground coal mines: It controls ventilation fans, drainage pumps, belt conveyors, and other equipment to ensure safe production in the underground coal mine environment containing flammable and explosive gases such as gas.

3. Pharmaceutical industry

- Pharmaceutical factories: During the drug production process, it controls and operates reaction equipment, drying equipment, transfer equipment, etc., to prevent explosion accidents caused by electrical sparks.

4. Food processing industry

- Food processing factories involving flammable and explosive dust: Such as flour mills, sugar mills, etc., it is used to control crushing equipment, transfer equipment, packaging equipment, etc. on the production line to avoid dust explosions.

5. Electric power industry

- Substations: In the dangerous areas of substations, it controls the operation of power equipment to ensure the safe and stable operation of the power system.

6. Military industry

- Ammunition production, storage, and testing sites: It controls relevant equipment and systems to ensure the explosion-proof safety during the military production process.

7. Warehousing and logistics industry

- Hazardous chemical warehouses: It controls ventilation, lighting, fire fighting, and other equipment to prevent explosion accidents during the storage and handling of hazardous chemicals.