1. Petrochemical: Separation and recovery of products and intermediate products in the process of oil refining and chemical production, purification of liquids, purification of magnetic tapes, CDs and photographic films in manufacturing, and particle removal and filtration of oilfield injection water and natural gas.
2. Textile: Purification and uniform filtration of polyester melt in the process of drawing, protection and filtration of air compressor, degreasing and dewatering of compressed gas.
3. Electronics and pharmaceuticals: pretreatment filtration of reverse osmosis water and deionized water, pretreatment filtration of washing liquid and glucose.
4. Thermal power and nuclear power: lubrication systems, speed control systems, bypass control systems for gas turbines, boilers, oil purification, feedwater pumps, fans, and dust removal systems.
5. Mechanical processing equipment: lubrication system and compressed air purification of papermaking machinery, mining machinery, injection molding machines and large precision machinery, dust recovery and filtration of tobacco processing equipment and spraying equipment.
6. Railway internal combustion engines and generators: filtration of lubricating oil and engine oil.
7. Automobile engines and engineering machinery: various hydraulic oil filters, diesel filters, and water filters for internal combustion engines, oil filters, fuel filters, engineering machinery, ships, and trucks.