Group 1 - The stock price of Guojizhongzhuang closed at 3.39 yuan on July 29, down 0.03 yuan, a decline of 0.88% [1] - The trading volume on that day was 1.8899 million hands, with a transaction amount of 640 million yuan [1] - Guojizhongzhuang is part of the specialized equipment manufacturing industry, focusing on the research and manufacturing of major technical equipment [1] Group 2 - The company has officially put into production its newly developed 168-meganewton mechanical hot die forging press, which has overcome several core technologies [1] - This equipment will supply key automotive components for FAW Forging [1] - On July 29, the net outflow of main funds for Guojizhongzhuang was 20.3553 million yuan [1] Group 3 - The current price-to-earnings ratio of the stock is 55.07 times, and the price-to-book ratio is 1.69 times [1]