Group 1 - The stock price of Deshi Co., Ltd. closed at 19.53 yuan on August 12, down 0.76% from the previous trading day [1] - The trading volume on that day was 62,995 hands, with a transaction amount of 123 million yuan, resulting in a turnover rate of 4.30% [1] - Deshi Co., Ltd. specializes in the research, production, and sales of oil drilling equipment, including drill bits and tools, and is classified under the specialized equipment manufacturing industry [1] Group 2 - Jerry Co., Ltd. is the largest shareholder of Deshi Co., Ltd., holding 44.15% of its shares [1] - The company stated on its interactive platform that there is no business correlation with Jerry Co., Ltd. [1] - On August 12, the net outflow of main funds for Deshi Co., Ltd. was 8.7956 million yuan, with a cumulative net outflow of 17.2539 million yuan over the past five trading days [1]