Group 1 - As of July 29, the stock price of Yinglian Co., Ltd. closed at 16.28 yuan, down 4.24% from the previous trading day [1] - The trading volume on that day reached 450 million yuan, with a turnover rate of 10.60% [1] - Yinglian Co., Ltd. specializes in the research, production, and sales of metal packaging products, including food cans, beverage cans, and daily chemical cans [1] Group 2 - The company operates in the packaging materials industry and is also involved in composite electrolytes and solid-state battery concepts [1] - On July 29, the company announced on its investor interaction platform that its integrated materials for lithium metal/composite electrolyte anodes for solid-state batteries have been sent for samples to leading automotive and battery companies [1] - On the same day, the net outflow of main funds was 54.83 million yuan, accounting for 1.31% of the circulating market value [1]