1. welding technology and equipment: including the principles of various welding methods, the design and manufacture of welding equipment, etc.
2. Welding materials: The physical and chemical properties, structural characteristics and factors affecting welding quality of metal materials are emphatically introduced.
3. Welding automation: including the design, installation and debugging of automatic equipment such as welding robots and non-standard automatic production lines.
4. Welding inspection and evaluation: mainly including weld inspection, welding joint inspection and welding defect evaluation based on nondestructive testing.