ST世龙收盘上涨4.63%，滚动市盈率37.76倍，总市值22.78亿元

Group 1 - The core viewpoint of the articles highlights the performance and market position of ST Shilong, noting its recent stock price increase and low rolling PE ratio [1][2] - As of May 8, ST Shilong's closing price was 9.49 yuan, up 4.63%, with a rolling PE ratio of 37.76, marking a new low in 310 days and a total market value of 2.278 billion yuan [1] - The average PE ratio in the chemical raw materials industry is 31.65, with a median of 32.69, placing ST Shilong at the 52nd position in the industry ranking [1][2] Group 2 - For the first quarter of 2025, ST Shilong reported an operating income of 507 million yuan, a year-on-year increase of 8.32%, and a net profit of 24.1741 million yuan, reflecting a significant year-on-year growth of 342.56% [2] - The company's sales gross margin stands at 15.30% [2] - ST Shilong is recognized as a major producer of AC blowing agents and thionyl chloride in China, holding a significant market share and brand recognition [1]