In the first half of the year, through the survey of the operation of 71 key enterprises, various economic indicators have increased by a large margin. The output increased by 7.42% year-on-year, the sales revenue increased by 44.16%, and the profit increased by 188.43%. It shows that the increase in profit is higher than the increase in sales revenue, and the increase in sales revenue is higher than the increase in output. The growth rate has increased by 144.27 and 36.74 percentage points respectively. The quality of operation has improved significantly and the industry has been running relatively stable.