正川股份收盘下跌1.50%，滚动市盈率62.07倍，总市值26.76亿元

Group 1 - The core viewpoint of the articles highlights the financial performance and market position of Zhengchuan Co., which operates in the pharmaceutical packaging industry [1][2] - As of June 5, Zhengchuan Co. closed at 17.7 yuan, down 1.50%, with a rolling PE ratio of 62.07 times and a total market capitalization of 2.676 billion yuan [1] - The average PE ratio for the medical device industry is 50.97 times, with a median of 36.67 times, placing Zhengchuan Co. at the 95th position in the industry ranking [1][2] Group 2 - As of the first quarter of 2025, there are two institutional investors holding shares in Zhengchuan Co., with a total holding of 59.4013 million shares valued at 1.029 billion yuan [1] - 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 financial report for the first quarter of 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, a year-on-year decrease of 48.15%, with a sales gross margin of 21.61% [1]