华自科技今日大宗交易折价成交30万股，成交额523.5万元

Group 1 - The core point of the news is that Huazi Technology conducted a block trade of 300,000 shares on February 12, with a transaction amount of 5.235 million yuan, accounting for 0.82% of the total transaction volume for that day [1][2] - The transaction price was 17.45 yuan per share, which represents a discount of 1.97% compared to the market closing price of 17.8 yuan [1][2] - The buyer was Northeast Securities Co., Ltd., and the seller was Guotai Junan Securities Co., Ltd. [2]