| The automobile industry is a mainstay of the economy. It is also a important standard of the development of a country. Automobile industry has great production value and has close relationship with the social overall economy. The development of the automobile industry will affects and leads some other correlations industry, such as steel and iron, chemical industry, rubber plastic, machinery and electron, and promotes national economical growth.The automotive industry is the industry in which material massive inflows and also massively flows out. The automobile is the extremely complex and special product, an ordinary car probably is composed by 20,000 spare parts. The majority of spare parts that composes the automobile are provided by the automobile spare parts supplier, each automotive manufacture has a huge number of automobile spare parts suppliers.In our country automobile manufacture, the spare parts purchasing cost accounted for above 50% of sales volume. Supplier's achievement directly influence the automobile manufacture's product quality, product cost, delivery level, stock level, product design, customer degree of satisfaction and other aspects. Statistics have indicated that about 30% quality question and 80% product delivery question are causes by the suppliers. An outstanding supplier may greatly enhance the performance of entire vehicle and the competitive ability of automobile manufacture. Therefore, the spare part supplier's appraisal and the number selection already became automobile manufacture's most important strategy questions.At present, there is only a few research on the specific profession suppliers of automotive industry, the automobile spare parts supplier appraisal and choice method research is relatively lack. This article analysis automobile manufacture's characteristic, propose the thought that the spare part suppliers should be classified management, and has designed the quantitative classified method to different category spare parts. This article also take thorough research on supplier's appraisal system, appraisal method and supplier quantity choice. Propose related strategy and some management methods for spare part suppliers'and provide the plan for the automobile manufacture enterprise supplier appraisal and the quantity choice which may refer and may operate.The thesis has six chapters, the main content of each chapter as follows: Chapter one, introduction the background and significance of the study, and then a review of research and study in our country and abroad was mentioned. Finally, introduce the content and the Innovation spot of the thesis.Chapter two Introduce the structure and the characteristic of automotive industry. Analyze the vital significance of the automobile manufacture's supplier management. Elaborate the vital significance and the goal of supplier classified management. The automotive industry has great quantity and many types of spare parts. Aim at this characteristic, this chapter proposed the supplier classified model, considering with the spare part's function to entire vehicle. This classified model includes classified index and the quantitative classified method. Discuss the different category supplier's appraisal choice method and the management strategy.Chapter there, according to the automotive industry supplier's classification, establish the first level of suppliers' appraisal systems with emphasis. Discuss the meaning and the evaluation criteria of each index appraisal. At the same time, conducts the suitable research to the other two levels of suppliers' appraisal systemChapter four, the research on supplier appraises the choice method. First, the science computation weight has important influence on obtaining the ideal appraisal result in each kind of qualitative quota unified appraisal method; Then, through the analysis of existing weight computational method, point out that alone applies the subjective and the objective to determination index weight has insufficiency, and using the compatibility and difference, propose new method to determines the index weight. Next, study on the question of determining the identical spare part supplier quantity Establish the best supplier quantity model, considering identical spare part, when choice different quantity supplier the automobile manufacture enterprise's purchase cost and the venture.Chapter five, conducts the real diagnosis research to the Chang An Ford automobile limited company. Made the improvement to the Chang An Ford's supplier appraisal and the choice flow. Confirm that the appraisal selection index system, the appraisal method and the quantity choice model have the utilization validity and the feasibility in the enterprise.Chapter six, sum up the conclusion and expectation. Summarize mainly research work of this dissertation and presents questions that need to be further researched in the future as well.In general, there is something new in this dissertation as the following:1. Establish the consideration automobile spare part characteristic, but quantitative computation automobile spare part classification model. The classified index had fully considered the spare part price factor, to the entire vehicle performance, the outward appearance influence, purchases, and production advancement restriction to the automobile manufacture enterprise.2. Establish the identical kind of spare part supplier quantity choice model. This model can choose the best supplier quantity with the lowest purchase cost under the safe purchase risk which may be accepted. |