江山欧派：取得发明专利证书

Group 1 - The core viewpoint of the article highlights that Jiangshan Oupai has received a patent for a method to reduce internal stress in hollow boards filled with bamboo tubes, indicating innovation in their product development [1] - Jiangshan Oupai's revenue composition for the year 2024 is reported, with wood processing manufacturing accounting for 96.72% and other businesses making up 3.28% of total revenue [1] - The current market capitalization of Jiangshan Oupai is noted to be 2.6 billion yuan [2]