There are about 6 regular staffing operators in this section, responsible for the manufacturer, modification, and R&D of the dies required by the whole factory’s screws. The monthly production capacity is about 200 sets of dies. This section is the basis of all the processes and R&D, and all the dies produced are only for self-use in our factory.

This subsection has 9 straightening machines, which can be applied to the screws with a length range from 100 mm to 450 mm (60 mm and above for screws with no threads). There are about 19 regular staffing operators in this subsection, responsible for manual screening and machine operation.