In the current electric vehicle (EV) market, the selection and use of charging piles has become an important link in the consumer decision-making process. As market competition intensifies, understanding consumer brand preferences is critical for charging pile manufacturers. This article proposes a method to study consumer brand preferences, which combines multiple research tools and techniques to ensure the accuracy and depth of the results.

First of all, this study uses a questionnaire to collect consumer basic information and charging pile usage habits. The questionnaire design contains multiple dimensions, such as brand awareness, price sensitivity, charging speed demand, etc., in order to reveal the formation mechanism of consumer preferences.

Secondly, through the case analysis of Shangpu consulting service customers, we can see the performance of different brands of charging piles in the market. For example, when choosing a charging pile, customer A prefers brands that provide fast charging services, while customer B pays more attention to price factors. These examples help us understand the needs and preferences of different consumer groups.

In addition, this paper also uses the method of enterprise research to communicate face-to-face with charging pile users. Through research, we have obtained first-hand information about consumers' intuitive feelings about the brand and the experience of charging piles. These qualitative data, combined with quantitative data from the questionnaire, provide us with a comprehensive perspective of consumer brand preferences.

Finally, this study uses statistical analysis software to analyze the collected data in depth. Through regression analysis, cluster analysis and other methods, we identify the main factors that affect consumer brand preference, and rank the importance of these factors.

In conclusion, the research method proposed in this paper provides a comprehensive framework for charging pile manufacturers to understand and meet consumer needs. Through this method, the manufacturer can formulate the market strategy more effectively and improve the market competitiveness of the brand.