屹唐股份(688729.SH)：公司对应用材料公司提起诉讼

Group 1 - The company, Yitang Co., Ltd. (688729.SH), has filed a lawsuit against Applied Materials, Inc. for allegedly illegally obtaining and using its core technology related to plasma sources and wafer surface treatment [1] - The lawsuit claims that Applied Materials disclosed the trade secrets by applying for patents in China and wrongfully claimed the patent rights, violating the Anti-Unfair Competition Law of the People's Republic of China [1] - The lawsuit has been accepted by the Beijing Intellectual Property Court, with a case number of (2025) Jing 73 Min Chu 908, and the claimed amount is RMB 99.99 million [1] Group 2 - As of the date of the announcement, the case has been filed but has not yet gone to trial [1]