1. Corrosion-resistant industries: textiles, chemicals, steel, food, general industrial machinery, motors, machine tools, etc.
2. High temperature industry: steel, chemical, automobile, vacuum equipment, general machinery, electrical machinery, etc.
3. High-speed machinery industry: machine tools, automobiles, airplanes, satellites, motors, general industrial machinery, vacuum equipment, etc.
4. Insulation industry: machine tools, conveying machinery, subway vehicles, etc.
5. Non-magnetic working machinery: atomic energy reactors, semiconductor devices, etc.
