Group 1 - The company's stock price on August 5 closed at 13.79 yuan, down 0.14% from the previous trading day, with a trading volume of 282 million yuan [1] - The stock price fluctuated between 13.67 yuan and 13.95 yuan, with a volatility of 2.03% [1] - The company operates in the specialized equipment manufacturing industry, focusing on the research, production, and sales of fans, silencers, and cooling towers [1] Group 2 - The company is headquartered in Zhejiang Province, and its products are widely used in nuclear power, subways, and tunnels [1] - On August 5, the company stated on an interactive platform that the absence of a controlling shareholder and actual controller has not adversely affected its operations [1] - The company will fulfill its information disclosure obligations regarding potential strategic investors in the future [1] Group 3 - On August 5, the main funds experienced a net outflow of 20.26 million yuan, with a cumulative net outflow of 90.61 million yuan over the past five trading days [2]