Application of gray relative analysis method in the market segment alternatives of auto components

With the increasingly keen competition of automobile market, the auto component enterprises pay more and more attention to the market segment alternatives, in order to suit the demand of market. Market segment is the important step of the alternatives of target market, and the key factor related to the success of the enterprises. Thus it becomes an important assignment the enterprises face to scientifically evaluate the comprehensive performance of the market segment of automobile components. Based on the large amount of indefinite and fuzzy factors involved in the course of market segment, the paper applies gray relative analysis method into the analysis about the alternative results of the market segment, and establishes scientific evaluation system of market segment, which supplies a quantitative approach for the market segment of auto replacements enterprise and carries out empirical analysis.