The establishment of the GJB quality management system by the company involves three major areas: raw material management, process control, and production services, and takes the four major processes of product realization, process management, monitoring and measurement, and analysis as the main line. In the process of product realization, the required process is carried out. Identify, determine the sequence and interaction between the processes, specify the criteria and methods for controlling these processes, monitor, measure and manage the processes in strict accordance with the requirements of the standard, and ensure that the quality of the final product meets the requirements of the standard.