Group 1 - The core point of the article highlights that Zhonghong Medical's stock closed at 15.96 yuan on August 21, experiencing a decline of 1.97% from the previous trading day, with a trading volume of 108,400 hands and a transaction amount of 175 million yuan, resulting in a total market capitalization of 6.845 billion yuan [1] - Zhonghong Medical operates in the medical device industry and is listed on the Shenzhen Stock Exchange's ChiNext board, focusing on the research, production, and sales of disposable health protective gloves and medical protective masks [1] - The company announced that its subsidiary, Shenzhen Maide Ruina Biotechnology Co., Ltd., recently obtained a medical device registration certificate for infusion pumps from the Guangdong Provincial Drug Administration, which will enhance the company's product line in medical devices [1] Group 2 - On August 21, the net outflow of main funds was 15.3431 million yuan, accounting for 0.24% of the circulating market value, while the cumulative net outflow over the past five trading days reached 51.9017 million yuan, representing 0.83% of the circulating market value [1]