In the first half of the year, the income growth rate was stable and the performance increased significantly. The company is mainly engaged in the manufacture of automobile and motorcycle parts and aviation parts. In the first half of the year, the company's operating income increased by15.40% year-on-year; The comprehensive gross profit margin is 22. 10%, which is basically stable; During the period, the expense ratio was 13. 13%, down by 0.90 percentage points year-on-year, which was well controlled. Due to the substantial increase in cash dividends received from AVIC Finance Company, Shanghai Keshida and Mitsui Huayang, the company's investment income in the first half of the year reached 32.93 million yuan, the profits of some subsidiaries increased, and the company's net profit increased by 46.77% year-on-year.