华海清科今日大宗交易折价成交55万股，成交额7943.65万元

Group 1 - On December 22, Huahai Qingke conducted a block trade of 550,000 shares, with a transaction value of 79.4365 million yuan, accounting for 6.17% of the total transaction volume for the day [1] - The transaction price was 144.43 yuan, representing a discount of 7.83% compared to the market closing price of 156.7 yuan [1]