From the above analysis, the continuous decline of return on net assets from 2014 to 2016 shows that the company's investment income is not high, reflecting the low efficiency of the company's use of its own capital, the weak ability of its own capital to obtain income, and the poor profitability. Since 2017, the growth rate of return on net assets has become larger, indicating that the profitability has been greatly improved, and the profitability has gradually become stronger.<br>
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