鑫科材料：四川融鑫累计增持约1225万股，增持计划完成

Group 1 - The core point of the article is that Xinke Materials (SH 600255) announced a share buyback plan, where Sichuan Rongxin will increase its holdings by approximately 12.25 million shares, amounting to 50 million yuan, which represents 0.6783% of the company's total share capital [1] - The share buyback will take place from April 11, 2025, to October 10, 2025, through the Shanghai Stock Exchange trading system [1] - As of the report, Xinke Materials has a market capitalization of 7.8 billion yuan [1] Group 2 - For the first half of 2025, Xinke Materials' revenue composition shows that the manufacturing sector accounts for 99.91%, while other sectors contribute only 0.09% [1]