正川股份收盘上涨6.68%，滚动市盈率80.69倍，总市值34.79亿元

Group 1 - The core viewpoint of the articles highlights the performance and valuation of Zhengchuan Co., which has a current stock price of 23.01 yuan, up 6.68%, with a rolling PE ratio of 80.69, marking a new low in 635 days, and a total market capitalization of 3.479 billion yuan [1] - Zhengchuan Co. ranks 100th in the medical device industry, which has an average PE ratio of 55.28 and a median of 38.06 [1][2] - As of March 31, 2025, Zhengchuan Co. has 18,803 shareholders, a decrease of 638 from the previous count, with an average holding value of 352,800 yuan and an average holding quantity of 27,600 shares [1] Group 2 - The main business of Chongqing Zhengchuan Pharmaceutical Packaging Materials Co., Ltd. includes the research, production, and sales of pharmaceutical packaging materials such as borosilicate glass tubes and sodium-calcium glass tubes [1] - The latest quarterly report for 2025 shows that the company achieved an operating income of 162 million yuan, a year-on-year decrease of 34.24%, and a net profit of 10.9141 million yuan, down 48.15%, with a sales gross margin of 21.61% [1]