Group 1 - The lawsuit for investor compensation against Langjin Technology has been filed in Jinan Intermediate People's Court, with further cases being prepared by the legal team [1] - The China Securities Regulatory Commission (CSRC) has initiated an investigation into Langjin Technology and its actual controller, Li Jingmao, for suspected violations of information disclosure laws [1] - Investors who purchased Langjin Technology stock before August 28, 2025, and sold or held it after that date may still initiate claims for compensation [1] Group 2 - The investor compensation case against Sudavige has made significant progress, with the court issuing a ruling in favor of investors [2] - Sudavige misled investors by inaccurately describing its lithography equipment as being used for chip manufacturing, which led to a 20% increase in stock price after a misleading response to investor inquiries [2] - Investors who bought Sudavige stock on September 14, 2023, and sold or held it after September 15, 2023, may also initiate claims for compensation based on previous favorable rulings [2]

Core Viewpoint - The rail transit equipment sector experienced a decline of 0.44% on October 22, with major stocks like Times Electric leading the drop, while the overall market indices also showed slight decreases [1] Market Performance - The Shanghai Composite Index closed at 3913.76, down 0.07% - The Shenzhen Component Index closed at 12996.61, down 0.62% [1] Stock Performance in Rail Transit Equipment Sector - 九州一轨 (Code: 688485) closed at 15.68, up 9.42% with a trading volume of 85,700 shares and a transaction value of 130 million yuan - 交大铁发 (Code: 920027) closed at 27.29, up 2.29% with a trading volume of 20,900 shares and a transaction value of 57.17 million yuan - 神州高铁 (Code: 000008) closed at 2.92, up 1.04% with a trading volume of 656,300 shares and a transaction value of 192 million yuan - 铁大科技 (Code: 920541) closed at 15.71, up 1.03% with a trading volume of 28,400 shares and a transaction value of 4.49 million yuan - 高铁电气 (Code: 688285) closed at 9.10, up 1.00% with a trading volume of 27,900 shares and a transaction value of 2.53 million yuan - 科安达 (Code: 002972) closed at 12.81, up 0.95% with a trading volume of 44,200 shares and a transaction value of 56.51 million yuan - 朗进科技 (Code: 300594) closed at 18.36, up 0.82% with a trading volume of 24,300 shares and a transaction value of 44.58 million yuan - 鼎汉技术 (Code: 300011) closed at 7.92, up 0.76% with a trading volume of 67,300 shares and a transaction value of 53.40 million yuan - 康尼机电 (Code: 603111) closed at 7.94, up 0.76% with a trading volume of 98,600 shares and a transaction value of 78.53 million yuan - 交大思诺 (Code: 300851) closed at 27.30, up 0.66% with a trading volume of 8,460 shares and a transaction value of 23.05 million yuan [1] Capital Flow Analysis - The rail transit equipment sector saw a net outflow of 211 million yuan from institutional investors - Retail investors contributed a net inflow of 129 million yuan, while speculative funds saw a net inflow of 82.54 million yuan [1]

Core Points - Langjin Technology (300594) announced the resignation of director Zhang Guanghua due to personal reasons [1] - Following his resignation, Zhang Guanghua will no longer hold any positions within the company [1] Summary by Category - **Company Announcement** - The board of directors received a resignation report from Zhang Guanghua [1] - Zhang Guanghua applied to resign from his positions as director and member of the remuneration and assessment committee [1] - **Impact on Company Structure** - After resigning, Zhang Guanghua will not hold any roles within the company [1]

Group 1 - Zhang Guanghua has resigned from his positions as a director and a member of the Compensation and Assessment Committee of Langjin Technology due to personal reasons [1] - After resigning, Zhang Guanghua will no longer hold any position within the company [1] - As of the report, Langjin Technology has a market capitalization of 1.6 billion yuan [1]

Core Viewpoint - The resignation of Zhang Guanghua from the board of directors and the remuneration and assessment committee is due to personal reasons, and it will not affect the normal operations of the company [1] Company Updates - Zhang Guanghua submitted his resignation report to the board, effective immediately upon delivery [1] - Zhang Guanghua does not hold any shares in the company, nor do his spouse or other related parties [1] - The company will expedite the process of selecting a new director and related follow-up work [1]

本公司及董事会全体成员保证信息披露的内容真实、准确、完整，不存在虚 假记载、误导性陈述或重大遗漏。 一、董事辞职的情况 山东朗进科技股份有限公司（以下简称"公司"）董事会于近日收到董事张 光华先生的辞职报告，张光华先生因个人原因，向公司董事会申请辞去董事及薪 酬与考核委员会委员职务，辞去上述职务后，张光华先生将不再担任公司的任何 职务。 张光华先生作为公司第六届董事会董事、薪酬与考核委员会委员原定任期至 第六届董事会任期届满之日止。根据《公司法》及《公司章程》的有关规定，上 述辞职申请自送达董事会之日起生效。张光华先生的辞职未导致公司董事会成员 低于法定人数，不会影响公司正常经营。公司将按照相关法律法规和《公司章程》 的规定，尽快完成董事补选等相关后续工作。 证券代码：300594 证券简称：朗进科技 公告编号：2025-068 山东朗进科技股份有限公司 关于董事辞职的公告 截至本公告披露日，张光华先生未持有公司股票，其配偶或其他关联人未持 有公司股票。截至本公告披露日，张光华先生不存在应当履行而未履行的承诺事 项。 公司及公司董事会对张光华先生在担任公司董事期间对公司的贡献表示衷 心的感谢。 特此公告。 山 ...

Group 1 - The lawsuit for investor compensation against Langjin Technology (300594) has been filed in court, with further cases being prepared by the legal team [1] - The China Securities Regulatory Commission (CSRC) has issued a notice of investigation against Langjin Technology and its actual controller, Li Jingmao, for suspected violations of information disclosure laws [1] - Investors who purchased Langjin Technology shares before August 28, 2025, and sold or held them after that date may still initiate claims for compensation [1] Group 2 - The investor compensation case against Yongyue Technology (603879) is also ongoing, following the CSRC's administrative penalty decision issued on August 15, 2024 [2] - Yongyue Technology was found to have made misleading statements in its major contract announcements and failed to disclose related party non-operating fund occupation and significant omissions in periodic reports [2] - Investors who bought Yongyue Technology shares between August 28, 2023, and September 18, 2023, or between March 20, 2022, and October 12, 2023, may also initiate claims for compensation [2]

Core Viewpoint - Longjin Technology announced that as of September 30, 2025, the company has not yet implemented its share repurchase plan and will continue to assess market conditions for potential execution of the plan [2] Group 1 - Longjin Technology released an announcement on October 10 regarding its share repurchase plan [2] - The company will evaluate market conditions to determine the timing of the share repurchase within the designated period [2]

Group 1 - The company Shandong Langjin Technology Co., Ltd. has approved a share repurchase plan during a meeting held on November 5, 2024 [1] - The total amount allocated for the share repurchase is set between 50 million yuan (inclusive) and 100 million yuan (inclusive), with a maximum repurchase price of 25.41 yuan per share [1] - The implementation period for the share repurchase is set to not exceed twelve months from the date the board of directors approves the final repurchase plan [1] Group 2 - As of September 30, 2025, the company has not yet implemented the share repurchase plan but will continue to advance the plan based on market conditions within the repurchase period [2]

（文章来源：证券日报） 证券日报网讯朗进科技10月10日在互动平台回答投资者提问时表示，公司主要业务属于轨道交通行业， 受行业环境特点的影响，项目交付周期和付款周期较长。 ...