Combining the changes in various operating capacity evaluation indicators in the data in Table 2-3, it can be seen that the SAIC Group's operating capacity characteristics are as follows:(1) Account receivable turnover rate: As can be seen from the above data, SAIC Group's account receivable turnover rate showed a downward trend from 2014 to 2018, thus indicating that SAIC Group has a large backlog of funds and slow asset flow.(2) Inventory turnover rate: According to the above data, SAIC Group's inventory turnover rate has been unstable in recent years. Combined with the analysis of various indicators, we have concluded that SAIC Group's inventory conversion rate is fluctuating.(3) Total asset turnover rate: Generally speaking, the greater the total asset turnover rate, the stronger the company ’s operating capacity, and the weaker the company ’s profitability, which is an important indicator for evaluating the efficiency and quality of corporate assets. . It can be clearly seen from the above data that SAIC Group's total asset turnover rate is in a state of decreasing year by year.In summary, although the operating capacity of the SAIC Group has shown an overall upward trend in recent years, it is still in a state of fluctuating operating pros and cons.