1.Incoming Quality Control(IQC):
To ensure that raw materials and components meet quality standards.

2. In-Process Quality Control (IPQC)：
To monitor product quality during production and prevent batch defects.

3.Final Quality Control (FQC)：
To ensure finished products meet quality standards.

4.Outgoing Quality Control (OQC)：
To ensure products meet customer requirements before shipment.

5.Quality Feedback and Improvement：
To continuously improve product quality.

6.Quality Records and Traceability：
To ensure quality traceability.