Sanan Optoelectronics' actual controller Lin Xiucheng detained on suspicion of embezzlement

Montage Technology: Third Largest Shareholder WLT Plans to Sell Up to 2.33 Million Shares

Montage Technology announced that its shareholder, WLT Partners, L.P., intends to reduce its holdings by no more than 2.33 million shares (approximately 0.19% of total share capital) through centralized竞价 trading, citing capital needs for limited partner equity incentive exercises. The减持 period runs from November 2, 2026, to February 1, 2027, with pricing based on market conditions. As of the disclosure date, WLT holds 45.0125 million shares, representing 3.69% of total share capital.

Sinnet Technology: Plans Additional Investment of 1.265 Billion Yuan in Helingeer Intelligent Computing Center Project

Sinnet Technology announced that, as AI large model training and inference businesses transition from technical validation to large-scale commercial deployment, demand for intelligent computing power in the northern region continues to grow rapidly. Leading computing clients have significantly increased single-project load requirements compared to 2024, rendering the original project capacity of 60–100 MW insufficient to accommodate large-scale, integrated computing orders. The company plans to increase total investment in the Helingeer Intelligent Computing Center project to 2.5 billion yuan, an additional 1.265 billion yuan (up 102.43%). Following adjustments, the project's IT load will increase to 90–120 MW, with total building area expanding to approximately 121,200 square meters. Upon full-load operation, the project is expected to generate annual revenue of 722 million yuan and net profit of 111 million yuan.

Sanan Optoelectronics: Actual Controller Lin Xiucheng Detained on Suspicion of Duty Embezzlement and Misappropriation of Funds

Sanan Optoelectronics announced that it received notification from the family of actual controller Lin Xiucheng that Lin has been criminally detained by public security authorities on suspicion of duty embezzlement and misappropriation of funds. Lin Xiucheng has held no position at the company since July 10, 2017. The matter is unrelated to the company and is not expected to have a material impact on its production and operations. The company's current production and management activities remain normal.

Biwin Storage: First Share Buyback of 1.0447 Million Shares Completed Today, Costing 222 Million Yuan

Biwin Storage announced that it completed its first share repurchase on September 24, 2026, through centralized竞价 trading, buying back 1.0447 million shares (0.22% of total share capital) at a price range of 211.01 yuan to 214.05 yuan per share, with total expenditure of 222 million yuan. The repurchase plan has an estimated total value of 200 million to 250 million yuan, with a repurchase period from August 27, 2026, to August 26, 2027. The repurchased shares will be used to reduce registered capital.

Seres: Largest Shareholder Chongqing Xiaokang Holdings and Concert Parties Increase Holdings by 4.1501 Million Shares

Seres announced that its controlling shareholder, Chongqing Xiaokang Holdings, and its concert parties increased their shareholding by a total of 4.1501 million shares through centralized竞价 trading between July 15 and September 24, 2026. Their combined shareholding ratio rose from 26.79% to 27.03%, triggering a 1% threshold change. This change does not trigger a mandatory takeover offer and is not expected to materially affect the company's governance structure or ongoing operations.

Hengtong Optic-Electric: Plans Private Placement to Raise Up to 6.636 Billion Yuan for Next-Gen Fiber R&D, CPO Advanced Packaging, and Other Projects

Hengtong Optic-Electric announced plans to issue A-shares to specific investors, raising no more than 6.636 billion yuan (after deducting issuance costs). Proceeds will be used for: next-generation optical fiber R&D and production projects, Inner Mongolia high-end optical materials construction projects, CPO advanced packaging R&D projects, Hengtong data intelligent communication projects, AI advanced optical interconnection projects, Hengtong (Jieyang) marine energy interconnection and smart O&M projects, 10,000-ton deep-sea laying vessel investment and construction projects, Hengtong intelligent manufacturing base projects, and supplementary working capital. The issuance targets no more than 35 specific investors, with an issue price no less than 80% of the average trading price over the 20 trading days before the pricing benchmark date. The maximum issuance is 740 million shares, not exceeding 30% of total share capital before issuance.

Major Events

Equity Transfer

• Zhifang Technology: Preliminary inquiry-based transfer price set at 78.71 yuan per share.

Investment Cooperation

• Lietong Electronics: Plans to invest approximately 550 million yuan to establish a wholly-owned subsidiary in Hong Kong.
• Yanmai Technology: Plans to invest 57.2222 million yuan in a capital increase to acquire 10% equity of Yiyuantong.
• Aoni Electronics: Subsidiary signs computing power card procurement contract totaling 1.556 billion yuan.

Refinancing

• Chuanhuan Technology: Share issuance to specific investors approved by the China Securities Regulatory Commission (CSRC).
• Mind Electronics: Private placement application approved by the Shenzhen Stock Exchange.

Pharmaceutical Approvals

• Maccura Biotechnology: Three in vitro diagnostic reagents receive medical device registration certificates.

Other Matters

• Shandong Hi-Speed: Controlling shareholder Shandong Hi-Speed Group releases 977 million shares from pledge.
• Newpoint Software: Plans to use up to 3.5 billion yuan of idle自有资金 for cash management.
• Honglida: Plans to use up to 1.5 billion yuan of idle自有资金 for cash management.
• Chengtun Biologics: Plans to use up to 600 million yuan of idle raised funds for cash management.
• Daqian Ecology: Plans to use up to 400 million yuan of idle raised funds for cash management.
• Wanji Technology: Zhai Jun pledges 7.8 million shares for financing.
• Hongfa Shares: Youge Investment pledges 13.21 million shares to supplement working capital.
• Luwei Optoelectronics: Some raised fund investment projects delayed.
• Youzu Interactive: Provides 100 million yuan guarantee for wholly-owned subsidiary Youzu Information.
• Publishing Media: Provides 110 million yuan guarantee for wholly-owned subsidiary Xinhua Bookstore Northern Book City Co., Ltd. and others.
• Huashi Technology: Yu Yongfang and Ye Jianbiao terminate concert party agreement.
• *ST Yitong: Withdrawal of delisting risk warning.

Share Increases, Reductions, and Buybacks

Share Increases

• Xinguang Optoelectronics: Kang Weimin plans to increase holdings by 5 million to 10 million yuan.
• Inovance Technology: Inovance Investment plans to increase holdings by 150 million to 200 million yuan.

Share Reductions

• Novozymes: Guoshou Chengda has reduced holdings by 3.00%.
• Silergy: Multiple shareholders have reduced holdings by a cumulative 3.43%.
• Aidite: Multiple shareholders have completed reductions.
• Zhejiang Nature: Shanghai Yangda plans to reduce holdings by no more than 2%.
• Dizhe Pharma: Multiple shareholders plan to reduce holdings.

Share Buybacks

• Biwin Storage: First buyback of 1,044,721 shares completed.
• Annaida: Plans to buy back and cancel 70,500 restricted shares.

Risk Warnings

• Ceyear Technologies: Closing price increase deviation exceeds 30% for three consecutive trading days.
• Kedel Education: Closing price increase deviation exceeds 30% for three consecutive trading days.
• Kunchuan Intelligence: Closing price increase deviation exceeds 30% for three consecutive trading days.
• Labtech Instruments: Closing price increase deviation exceeds 30% for three consecutive trading days.
• Fujian Cement: Closing price increase deviation exceeds 20% for two consecutive trading days.
• Jinchen Shares: Closing price increase deviation exceeds 20% for three consecutive trading days.
• Pioneer New Materials: Company receives administrative regulatory measures decision.
• Jingsheng Shares: Company, Chairman and General Manager Li Hui, and former CFO Wu Chunsheng receive administrative regulatory measures decision.
• Lianyungang: Company receives administrative penalty decision, fined 500,000 yuan.
• Tianlu Technology: Shareholder holding over 5%, Chen Ling, sees 23.0322 million shares placed under rotational freeze.