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同益股份股价微跌0.06% 公司回应未涉足光引发剂业务

Group 1 - The stock price of Tongyi Co., Ltd. closed at 17.71 yuan on August 20, 2025, down 0.06% from the previous trading day, with a trading volume of 1.01 billion yuan [1] - The stock price fluctuated between 17.45 yuan and 17.86 yuan on the same day, with a volatility of 2.31% [1] - Tongyi Co., Ltd. specializes in the research, production, and sales of polymer materials and related products, covering sectors such as plastic products, Honor concept, and PEEK materials [1] Group 2 - The company stated on its investor interaction platform that it currently does not sell products related to photoinitiators [1] - On August 20, the net outflow of main funds was 4.173 million yuan, with a cumulative net outflow of 39.583 million yuan over the past five days [1]