1. Shearing: refers to the technological process of material getting rectangular workpiece through shearing machine.

2. Blanking: refers to the process of workpiece cutting by laser or CNC punch.

3. Blanking: refers to the technological process of using die to process the product shape on general punch or other equipment.

4. Punching: refers to the technological process of workpiece processing holes by general punching machine and die.

5. Bending: refers to the process of workpiece forming by bending machine.

6. Forming: refers to the process of using die to deform workpiece on general punch or other equipment.

7. Hole drawing: it is also called "flanging", which refers to the technological process of forming a round hole edge by using a die on a general punch or other equipment.

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

9. Reaming: refers to the process of machining small holes on the workpiece into large holes with a drill or milling cutter.

10. Counterbore: refers to the technological process of machining a taper hole on a workpiece in order to cooperate with a connector like a countersunk screw.

11. Press riveting: refers to the technological process of selecting punch or hydraulic press to firmly press and connect fasteners such as press riveted nuts, press riveted screws or press riveted nuts to the workpiece

12. Expanding riveting: refers to the process of sinking the workpiece first, then using punch or hydraulic press to firmly press the expanding riveting nut on the workpiece.

13. Pull nut: refers to the process similar to riveting. The technological process in which the connecting parts such as pop are firmly connected to the work piece with a broach gun.

14. Riveting: refers to the process of closely connecting two or more workpieces with riveting gun as the East and West.

15. Riveting: the process of joining two or more workpieces face to face with rivets. If countersunk riveting, the workpieces shall be countersunk first.

16. Punching convex hull: refers to the technological process of forming convex shape of workpieces with dies in punch or hydraulic press.

17. Punching and tearing: also known as "punching bridge", refers to the process of making the workpiece form a bridge like shape with a die in a punch or hydraulic press.

18. Stamping: refers to the process of stamping words, symbols or other marks on the workpiece by using the mold.

19. Chamfering: refers to the process of using die to cut off the workpiece angle on punch or hydraulic press.

20. Punching mesh: refers to the general punch or CNC punch on the workpiece with a mold to punch out a mesh of holes.

21. Flattening: refers to the process of transition from workpiece with certain shape to flattening.

22. Drilling: refers to the process of drilling the workpiece with a bit on a drilling or milling machine.

23. Chamfering: refers to the technological process of processing the sharp corners of workpieces with molds, files, grinders, etc.

24. Leveling: refers to the process that the workpiece is not leveled before and after processing, and other equipment is used to level the workpiece.

25. Tooth return: refers to the process of the second tooth correction for the workpiece with teeth in advance.

26. Sticking protective film: refers to the process of using the film that can protect the surface of the workpiece to protect the surface of the workpiece.

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

28. Shape correction: refers to the process of adjusting the processed workpiece.

29. Heat shrinkable: refers to the technological process of using heating equipment (hot air gun, oven) to shrink the plastic that covers the workpiece.

30. Labeling: refers to the process of labeling the workpiece to the designated position.

31. Wire drawing: refers to the process of applying wire drawing machine and abrasive belt to handle the surface of workpiece.

32. Polishing: refers to the process of polishing the workpiece surface with polishing equipment.

33. Heat treatment: refers to the process of special treatment for improving the hardness of workpieces.

34. Deburring: refers to the process of removing the workpiece burr with a grinder, file and other things in the process of sheet metal processing, so as to make the workpiece processing place smooth and flat.

35. Argon arc welding: refers to the process of welding the workpiece and the workpiece by the argon arc welding machine at the edge or joint of the workpiece. During the process, it is divided into intermittent welding, full welding, etc., which shall be clearly marked on the drawings.

36. Butt welding: also known as "spot welding", it refers to the process of butt welding the workpiece face to face.

37. Planting welding: refers to the process of firmly welding the planting welding screws on the workpiece with the planting welding gun.

38. Welding and grinding: mainly refers to the process of selecting grinding machine, file and other things to make the welding scar of workpiece smooth and flat.

39. Pretreatment: refers to the process of degreasing, derusting, coating (such as phosphating film) and cleaning the workpiece surface with electrolytic solution after the completion of the work-piece sheet metal processing and before painting or powder spraying.

40. Scraping: refers to the process of using atomic ash to compensate the defects on the workpiece surface, such as welding gap or pit.

41. Scraping and grinding: it mainly refers to the process of surface polishing for the workpiece after scraping with a flat grinder or abrasive cloth.

42. Oil spray: refers to the process of evenly spraying the paint on the surface of the workpiece with a special spray gun.

43. Powder spraying: refers to the process of evenly spraying the powder on the surface of the workpiece with a spray gun.

44. Silk screen printing: refers to the process of using special ink to penetrate special grids to form words or pictures on the surface of the workpiece.

45. Electroplating: refers to the process of plating a layer of metal on the surface of the workpiece to protect or beautify the workpiece.

46. Oxidation: refers to the process of forming oxide film on the surface of the workpiece for the purpose of protecting or beautifying the workpiece.

47. Sandblasting: refers to the process of sandblasting the workpiece surface by sandblasting machine

48. Assembly: refers to the process of installing more than two workpieces together.

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