联芸科技今日大宗交易折价成交45万股，成交额2004.3万元

Group 1 - The core transaction involved 450,000 shares of Lianyun Technology, with a total transaction value of 20.043 million yuan, accounting for 7.88% of the total trading volume on that day [1] - The transaction price was 44.54 yuan, which represents a 2% discount compared to the market closing price of 45.45 yuan [1] Group 2 - The transaction occurred on December 2, with the stock code 688449 for Yixian Technology [2] - The buying brokerage was identified as "Company Steward Material Engineering," while the selling brokerage was "Yao Liang Pump to Increase Out Contract Service" [2]