1. Shearing: refers to the process of obtaining rectangular workpieces from materials through a shearing machine.

2. Cutting: refers to the process of cutting workpieces through LASER cutting or CNC punching.

3. Blanking: refers to the process of using molds on a standard punch press or other equipment to shape products.

4. Punching: refers to the process of machining holes in workpieces using a standard punch press and molds.

5. Bending: refers to the process of shaping a workpiece using a bending machine.

6. Forming: refers to the process of deforming a workpiece using a mold on a standard punch press or other equipment.

7. Hole punching: also known as "flanging", refers to the process of using a mold on a standard punch press or other equipment to form a round hole with a flange on the edge of the workpiece.

8. Tapping: refers to the process of machining internal threads on a workpiece.

9. Reaming: refers to the process of enlarging a small hole on a workpiece into a larger one using a drill or milling cutter.

10. Counterbore: refers to the process of machining a tapered hole in a workpiece to accommodate connecting components such as countersunk screws.

11. Riveting: refers to the process of firmly crimping fasteners such as rivet nuts, rivet screws, or rivet studs onto workpieces using a punch or hydraulic press

12. Expansion riveting: refers to the process of first sinking a hole in the workpiece, and then using a punch or hydraulic press to firmly press the expansion rivet nut onto the workpiece.

13. Riveting: Refers to a process similar to riveting, where a riveting gun is used to firmly attach connecting components such as rivet nuts (POP) to a workpiece.

14. Riveting: refers to the process of using a riveting gun as a tool to connect two or more workpieces tightly together with rivets.

15. Riveting: The process of connecting two or more workpieces face-to-face using rivets. For countersunk riveting, it is necessary to first counterbore the workpieces.

16. Bump forming: refers to the process of using a mold on a punch press or hydraulic press to form a raised shape on a workpiece.

17. Punching and tearing: also known as "punching bridge", refers to the process of using a mold on a punch press or hydraulic press to shape a workpiece into a bridge-like shape.

18. Stamping: refers to the process of using a mold to stamp out characters, symbols, or other marks on a workpiece.

19. Chamfering: refers to the process of cutting off the corners of a workpiece using a mold on a punch press or hydraulic press.

20. Perforation: refers to the process of punching out mesh-like holes in a workpiece using a mold on a conventional punch press or CNC punch press.

21. Leveling: refers to the process of transitioning a workpiece with a certain shape to a flat one.

22. Drilling: refers to the process of drilling holes in a workpiece using a drill bit on a drilling machine or milling machine.

23. Chamfering: Refers to the process of using molds, files, sanders, etc. to process the sharp corners of workpieces.

24. Leveling: refers to the process of using other equipment to level the workpiece before and after processing, in case it is uneven.

25. Re-threading: refers to the process of repairing the thread of a workpiece that has been pre-threaded.

26. Applying protective film: refers to the process of using a thin film capable of protecting the surface of the workpiece to shield it.

27. Removing protective film: refers to the process of cleaning the protective film on the surface of the workpiece.

28. Sizing: refers to the process of adjusting the workpiece that has been processed and shaped.

29. Heat shrinking: refers to the process of using heating equipment (such as heat guns or ovens) to shrink the plastic covering the workpiece.

30. Labeling: refers to the process of affixing labels to designated positions on workpieces.

31. Brushing: refers to the process of applying a texture to the surface of a workpiece using a brushing machine and abrasive belt.

32. Polishing: refers to the process of using polishing equipment to achieve a glossy finish on the surface of a workpiece.

33. Heat treatment: refers to the process of special treatment carried out to enhance the hardness of a workpiece.

34. Deburring: refers to the process of removing burrs from a workpiece using tools such as grinding machines and files during sheet metal processing, to make the processed area of the workpiece smooth and flat.

35. Argon arc welding: refers to the process where workpieces are connected by an argon arc welder at the edges or seams of the workpieces. It is further divided into intermittent welding, full welding, etc., which should be clearly indicated on the drawings.

36. Spot welding: also known as "point welding", refers to the process of welding workpieces together face-to-face using a spot welding machine.

37. Plant welding: refers to the process of firmly welding plant welding screws onto a workpiece using a plant welding gun.

38. Welding and Grinding: It primarily refers to the process of using tools such as grinding machines and files to make the welding scar of the workpiece smooth and flat.

39. Pre-treatment: refers to the process of using electrolytic solution to remove oil and rust from the workpiece, add a surface coating (such as phosphate coating) to the workpiece, and clean it after the sheet metal processing is completed but before painting or powder coating.

40. Puttying: refers to the process of using putty to fill in defects on the surface of a workpiece, such as welding gaps or pits.

41. Ash scraping and polishing: mainly refers to the process of using a flat grinding machine or sandpaper to polish the surface of the workpiece after ash scraping. 42. Paint spraying: refers to the process of using a dedicated spray gun to evenly apply paint to the surface of the workpiece.

43. Powder coating: refers to the process of evenly spraying powder onto the surface of a workpiece using a spray gun.

44. Screen printing: refers to the process of forming text or patterns on the surface of a workpiece by using special ink to penetrate through a special mesh.

45. Electroplating: refers to the process of coating a layer of metal on the surface of a workpiece for protection or aesthetic purposes.

46. Oxidation: refers to the process of forming an oxide film on the surface of a workpiece for protection or aesthetic purposes.

47. Sandblasting: refers to the process of treating the surface of a workpiece by spraying sand through a sandblasting machine

47. Assembly: refers to the process of assembling two or more workpieces together.

48. Packaging: refers to the process of protecting workpieces for ease of transportation.

49. Others: Breakage, drawing (die), back pressure, thread drawing (tapping after hole drawing), and through-hole for salads (counterbore)