Group 1 - The core point of the news is that Tongli Co., Ltd. (stock code: 920599) executed a block trade on December 9, with a transaction volume of 227,500 shares and a transaction amount of 3.2394 million yuan, at a price of 14.24 yuan, which represents a discount of 27.49% compared to the closing price of the day [2][3] - The buyer of the block trade was CITIC Securities (Shandong) Co., Ltd., Longkou Nanshan Road Securities Business Department, while the seller was Dongbei Securities Co., Ltd., Yantai Branch [2][3] - In the past month, there have been a total of 3 block trades for this stock, with a cumulative transaction amount of 22.3081 million yuan [3] Group 2 - On the same day, Tongli Co., Ltd. closed at 19.64 yuan, down 3.39%, with a turnover rate of 1.13% and a total transaction amount of 78.2103 million yuan [3] - Over the past five days, the stock has experienced a cumulative decline of 2.29% [3] - Tongli Heavy Industry Co., Ltd. was established on February 1, 2005, with a registered capital of 462.525 million yuan [3]