铜峰电子：中旭产投累计增持公司A股股份约2277万股

Group 1 - The core point of the news is that Zhongxu Investment has increased its stake in Tongfeng Electronics by acquiring approximately 22.77 million A-shares, which represents 3.61% of the company's total issued shares, with a total investment of about 151 million yuan (excluding taxes) [1] - The share buyback plan has been completed, exceeding the lower limit of the planned investment of 150 million yuan [1]