JA Auto Parts Company Product Quality Management Optimization Strategy Research

In recent years,cars have become the most important means of transportation for Chinese residents to travel.Since our country joined the WTO in 2001,in nearly two decades,the scale of China’s auto industry has increased by more than ten times,and independent brands have gradually developed and expanded.2021 is the first year of China’s "14th Five-year Plan".The international situation is complex,and the automobile industry is facing severe tests and fierce competition.JA auto parts company is a state-owned independent brand enterprise,is an outstanding representative in the industry.However,in recent years,due to frequent product quality problems,JA Auto parts company’s annual quality loss is as high as about 20 million yuan,which not only reduces its market share,but also its profits.Therefore,the optimization of JA company’s product quality management is an important topic.Through the study,it is found that the main problems existing in the physical quality of JA company are the poor quality of outsourced parts,high unqualified rate in the production process,and many after-sales quality problems.According to these quality problem,through total quality management theory,to JA company market research,design and development,procurement,manufacturing,sales and service process is analyzed,by using the method of PDCA quality problem prominent and close to the three process of design,development,procurement,manufacturing process has carried on the reason analysis,proposed the improvement strategies.Through the implementation of the improvement strategy,the incoming inspection rate of JA purchased parts increased by 1%,and the on-line defective rate of purchased parts decreased by 77%.Internal mass loss reduced by 50%;The zero kilometer-defect rate and maintenance rate within 3 months decreased by 74% and68% respectively,and the external mass loss decreased by 43%.The research results of this paper have no new theoretical contributions,mainly in practice,JA company quality management improvement strategy also provides a valuable reference and example for other companies in the automotive industry to improve product quality.