Yunnan Geology (002428.SZ): The company and Xin Yao Company currently do not have specific plans for the large-scale production of 6-inch indium phosphide wafers.
Wisdom Finance and Economics APP News, Yunnan Germanium Industry (002428.SZ) announced that the closing price of the company's stock has deviated by more than 20% for two consecutive trading days (August 19, 2025 and August 20, 2025). According to the relevant regulations of the Shenzhen Stock Exchange, this situation belongs to abnormal stock trading volatility.
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