颐海国际：上半年净利润3.09亿元

Group 1 - The core viewpoint of the article is that Yihai International reported stable financial performance in the first half of the year, with revenue and net profit showing slight increases compared to the previous year [2] Group 2 - Yihai International achieved a revenue of 2.927 billion yuan in the first half of the year, which is a marginal increase from 2.926 billion yuan in the same period last year [2] - The company's net profit for the first half of the year was 309 million yuan, up from 308 million yuan in the same period last year [2]