Group 1 - The core point of the article is that Shenghui Clean (02521) experienced a significant drop of over 22%, trading at 0.82 HKD with a transaction volume of 7.1139 million HKD [1] - Major shareholder and executive director Chen Liming sold a total of 370 million shares, representing 19% of the company's equity, to Dongguan Huali Co., Ltd. (603038) [1] - Following the transaction, the buyer will become the major shareholder with a 19% stake, while the seller's ownership will decrease to 6.3% [1] Group 2 - This marks the second acquisition plan announced by Huali Co. within three months [1] - Huali Co. received an inquiry letter from the Shanghai Stock Exchange regarding the acquisition, requesting additional disclosures about the previous acquisition attempt and the current transaction process [1] - The inquiry includes demands for details on the transaction's specific steps, important timelines, and the range of personnel involved [1]