五连板兴业股份：半导体光刻胶用酚醛树脂业务目前仅处于送样测试阶段 尚未签订供货合同

Group 1 - The core point of the article is that Xingye Co., Ltd. is currently in the sample testing phase for its phenolic resin business used in semiconductor photoresists, and has not yet signed any supply contracts [1] - The company's stock has experienced a significant price fluctuation, with a cumulative increase of 20% over three consecutive trading days, which is classified as an abnormal trading situation [1] - The company confirms that its production and operations are normal and that there are no major events affecting the abnormal stock price fluctuations [1] Group 2 - The phenolic resin business related to semiconductor photoresists has not generated any sales revenue yet, and its future progress remains uncertain [1] - The company has stated that it does not have any undisclosed major information that should be disclosed [1]