management system

4.1 Timing of quality analysis meeting: a) When there are major problems with the process or product quality, or when the company's specified values ​​are exceeded ； b) When customers complain about product quality ； c) When major safety accidents and equipment accidents occur ； d) When the supplier’s products or services are seriously unqualified ； e) When potential non-conformity issues are discovered. f) After external review ； g) Other situations that do not meet the quality policy and target requirements. 4.2 When the above situation is discovered, the quality department should promptly organize the general affairs, laboratory, production, supply, sales and other relevant departments to hold a quality analysis meeting ； Analyze the causes and formulate corresponding corrective and preventive measures ； 4.3 Corrective measures 4.3.1 Corrective measures should be taken for existing non-conformities to eliminate the causes of non-conformities and prevent their recurrence. Corrective measures should be commensurate with the impact of the problems encountered. 4.3.2 Cause analysis, measure formulation, implementation and verification 4.3.2.1 Conduct cause analysis for discovered problems and find out the main causes of the problems. Statistical techniques or experimental methods may also be used to determine the main causes. 4.3.2.2 When a non-conformity is discovered, the discovering department fills in the "Problem Status Description" column in the "Corrective and Preventive Measures Handling Form" and reports to quality inspection. The quality inspection determines the responsible department. The responsible department fills in the "Cause Analysis" column, formulates and implements corrective measures, and quality inspection tracks and verifies the implementation effect. 4.3.2.3 Regarding the implementation results of improvement measures for customer complaints, the quality inspection will feedback the results to the sales department, who will promptly inform the customers and obtain customer satisfaction. 4.3.2.4 For major equipment or safety accidents, the Safety Department will fill in the "Description of Problem Status" and "Analysis of Failure Reasons" in the "Corrective and Preventive Measures Handling Form" to determine the responsible department, and the responsible department will fill in the corrective measures and implement them, and the Installation and Safety Department will be responsible for tracking and verifying the implementation effects. 4.3.2.5 When the quality of the supplier's products fails, the inspection or verification department will fill in the "Problem Status Description" column in the "Corrective and Preventive Measures Handling Form" and forward it to the procurement department to notify the supplier, requiring the supplier to conduct cause analysis and feedback corrective measures to the purchasing department. The inspection or verification department will track and verify its next batch of purchases and implement the provisions of the "Procurement Quality Control System" on supplier control. If it is a quality problem with the service provider, the service receiving department will fill in the "Corrective and Preventive Action Handling Form". Notify the other party to take corrective measures and track and verify the implementation results. 4.3.3 After each corrective measure is completed, the relevant department will conduct follow-up verification. The person in charge of the department will review the effectiveness of the implementation effect and whether it can prevent similar non-conformities from occurring in the future. After verification, the corrective action form will be submitted to the Quality Management Department for safekeeping. 4.4 Preventive measures 4.4.1 The organization should identify potential nonconformities and take preventive measures to eliminate the causes of potential nonconformities and prevent the occurrence of nonconformities. The preventive measures taken should be commensurate with the impact of potential problems. 4.4.2 To identify potential substandard quality management department, the following records should be analyzed in a timely manner:: a) Supplier supply quality statistics, product quality statistics (such as questionnaires, etc.), market analysis, customer satisfaction surveys, safety hazard statistics, etc. ； b) Previous external audit and supervisory inspection reports ； c) Implementation records of corrective, preventive and improvement measures, etc.