正川股份收盘上涨10.01%，滚动市盈率70.56倍，总市值30.42亿元

Group 1 - The core viewpoint of the articles highlights the performance and valuation of Zhengchuan Co., which has seen a significant increase in stock price and a notable market capitalization despite a decline in revenue and profit [1][2] - Zhengchuan Co. closed at 20.12 yuan, up 10.01%, with a rolling PE ratio of 70.56, marking a new low in 362 days, and a total market value of 3.042 billion yuan [1] - The average PE ratio for the medical device industry is 51.42, with a median of 37.44, 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 institutions holding shares in Zhengchuan Co., with a total 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, particularly high-value products like borosilicate glass vials and pre-filled syringes [1] - The latest performance report for the first quarter of 2025 shows that the company achieved revenue 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 gross margin of 21.61% [1]