润禾材料：12月29日召开董事会会议

Group 1 - The core point of the article is that Runhe Materials (SZ 300727) held its 10th meeting of the 4th Board of Directors on December 29, 2025, to discuss the adjustment of the specialized committee members [1] - For the year 2024, the revenue composition of Runhe Materials is reported to be 99.98% from chemical manufacturing and 0.02% from other sources [1] - As of the report date, the market capitalization of Runhe Materials is 6.4 billion yuan [1] Group 2 - The article also highlights the emergence of a new type of chip in China that bypasses the limitations of lithography machines, supporting AI training and embodied intelligence, with production capabilities in mature processes of 28 nanometers and above [1]