Core Viewpoint - The company acknowledges the increasing demand for indium phosphide (InP) substrates driven by the growth in the optical communication market, while also confirming that InP is subject to export controls as per national regulations [1] Group 1: Market Demand and Supply - The market demand for InP substrates has significantly increased due to the rising prosperity of the downstream optical communication sector [1] - There is a reported shortage of InP, with downstream buyers expressing a willingness to purchase regardless of price [1] Group 2: Export Regulations - InP substrates are classified under export control items according to the announcement by the Ministry of Commerce and the General Administration of Customs on February 4, 2025 [1] - The company has complied with national laws and regulations by applying for the necessary export licenses for products under export control [1] - A subsidiary of the company, Xinyao, has received approval for certain orders after following the required reporting procedures [1]

New Stock Issuance - The new stock issuance for Sanxie Electric (证券代码: 920100) is priced at 8.83[1] - Shenkou Co. (证券代码: 002633) has a tender offer period from July 29, 2025, to August 27, 2025[1] - Fushun Special Steel (证券代码: 600399) has a tender offer period from August 12, 2025, to September 10, 2025[1] Market Alerts - Changcheng Military Industry (证券代码: 601606) is experiencing severe abnormal fluctuations[1] - ST Yanzhen (证券代码: 603389) has reported significant trading anomalies[1] - ST Zhongdi (证券代码: 000609) has been flagged for unusual trading activity[1] Other Notable Stocks - Zhanjiang Development (证券代码: 000753) and Pudong Construction (证券代码: 600284) are also under scrutiny for trading irregularities[1] - The stock of Zhaoyi Innovation (证券代码: 603986) is being monitored for potential volatility[1] - The stock of ST Suwu (证券代码: 600200) has been highlighted for its trading behavior[1]

证券日报网讯云南锗业（002428）8月25日在互动平台回答投资者提问时表示，截至2025年8月20日，公 司合并普通账户和融资融券信用账户股东总数为103148户。 ...

证券日报网讯云南锗业（002428）8月25日在互动平台回答投资者提问时表示，公司控股子公司云南鑫 耀半导体材料有限公司向下游客户送样6英寸磷化铟晶片(衬底)，但并未参与下游外延生长工艺的研 发。 ...

证券日报网讯 云南锗业8月25日在互动平台回答投资者提问时表示，在涉及出口管制公告相关类别的产 品时，公司已按照国家法律法规及相关规定申请办理相关出口许可，公司子公司鑫耀公司部分订单按规 定报批后获得许可。 （编辑 袁冠琳） ...

Group 1 - The core viewpoint of the article is that Yunnan Zheye's subsidiary, Yunnan Xinyao Semiconductor Materials Co., Ltd., produces semi-insulating gallium arsenide wafers that can be used in RF device manufacturing, with applications in various fields including mobile phones [1] - Currently, there is no customer feedback indicating the use of these wafers for mobile phone antenna production [1]

Core Viewpoint - Yunnan Zheye (002428) is focusing on the production and sales of indium phosphide and gallium arsenide wafers through its subsidiary, Yunnan Xinyao Semiconductor Materials Co., Ltd, while facing uncertainties in scaling up to larger wafer sizes [1] Group 1: Company Operations - The main business of Yunnan Xinyao includes the production and sales of indium phosphide and gallium arsenide wafers [1] - Currently, the actual sizes of indium phosphide wafers used by downstream customers range from 2 to 4 inches, with a focus on 2-inch and 3-inch wafers in China [1] Group 2: Future Development - The company is conducting research and development for larger wafer sizes to meet future market demands, but there are significant uncertainties from R&D to mass production [1] - There are no specific plans for the mass production of 6-inch indium phosphide wafers at this time, and any future plans will be disclosed publicly if they arise [1] Group 3: Market and Technical Challenges - The transition to larger wafer sizes is influenced by various factors, including technological breakthroughs across the entire industry chain, process reliability, costs, capacity, policies, and market conditions [1] - The company will consider related plans under the premise of manageable market and technical risks [1]

Core Viewpoint - Yunnan Zhenye (002428) is currently focusing on research and development of larger-sized indium phosphide wafers after achieving mass production of 2-4 inch wafers, but there are significant uncertainties regarding the transition from R&D to large-scale production [1] Group 1 - The company has no specific plans for large-scale production of 6-inch indium phosphide wafers at this time [1] - Future plans for larger wafer production will be considered only under controllable market and technical risks [1] - Any related plans will be publicly disclosed in accordance with regulations if they materialize [1]

New Stock Issuance - New stock issuance for Huaxin Jingke at a price of 18.60 on August 25, 2025[1] - Shenkou Co. (stock code: 002633) has a tender offer period from July 29 to August 27, 2025[1] - Fushun Special Steel (stock code: 600399) has a tender offer period from August 12 to September 10, 2025[1] Market Alerts - Dongxin Co. (stock code: 688110) reported severe abnormal fluctuations on August 16, 2025[1] - ST Suwu (stock code: 600200) and ST Zhongdi (stock code: 000609) both have announcements dated August 25, 2025[1] - Multiple companies including Zhehai Deman (stock code: 688577) and Huaguang Huaneng (stock code: 600475) have announcements related to abnormal fluctuations on August 23, 2025[1] Additional Information - The report includes links to detailed announcements for various companies, providing transparency and access to further information[1] - The document highlights the importance of monitoring stock performance and market trends for informed investment decisions[1]

（编辑 袁冠琳） 证券日报网讯 8月25日有投资者在互动平台向云南锗业提问："请问贵公司对九峰山实验室本次技术突 破使用的6英寸磷化铟（InP）衬底合作方云南鑫耀的6英寸高品质磷化铟单晶片是不是目前国内只有贵 公司能提供？"公司回复："公司在研发过程中会有少量样片产出，但从研发到规模化生产尚存在较大不 确定性。公司目前暂不知悉其他企业是否能够提供该型号产品。" ...