In the modern market, being an investment manager requires the ability to select suitable projects. In another words, he or she needs to have a thorough understanding of the selected company. By analyzing a company's profitability and its performance in the market, the investment manager can effectively select projects with more promising development prospects. Taking Guangzhou Automobile Group as an example, this paper briefly explains the process of valuing a company, which some investors can follow when looking at other projects. This paper first introduces the basic situation of this company and analyzes the basic market information of the same track company. Then, this paper analyzes the operation of this company and evaluates it with its competitors. The data analysis shows that the company needs to take measures to improve liquidity. Finally, this paper presents this company's vision and operational plan for the future. In addition, it may help investors understand the process of selecting and evaluating a company.