- Training QC
- Solve the abnormal product problem
- Make the QC work instruction (SOP)
- Complete the work assigned by the superior
- Gather problems and analyze them to submit the improving method.
- Do the internal calibration for test machine.

- Production process documentation
- Product production follow-up
- Sample production follow-up
- Product Process Improvement
- Product Engineering Changes
- Product technical support
- Introduction of new products
- Assist in procurement and PMC work
- The superior supervisor temporarily arranges other work