Revenue has been growing steadily over the past 5 years, with an average growth rate of 8.5%. The average growth rate of operating profit is 10.8%, while the average growth rate of net profit is only 5%. In 2023, interest expenses accounted for 14.8% of operating profit, indicating a heavy interest burden. The highest gross margin in the past 5 years was only 8.9%, and the current net margin is only 5.7%. The return on net assets is 12.3%.