**1. Shenzhen Honor Electronic Co.,Ltd. (300870.SZ): Data Center Power Business Sees Rapid Growth; Secures GPU Power Project with Alphabet** Shenzhen Honor Electronic Co.,Ltd. released an investor relations activity record. The company's data center power business achieved revenue of 20.15 billion yuan in 2025, a year-on-year increase of 38.15%. Within this, high-power data center power business revenue was 12.99 billion yuan, surging 66.52% year-on-year. The company has launched core products including 800-3600W air-cooled CRPS power supplies, 1600-3500W immersion liquid-cooled power supplies, and 3300-5500W custom GPU power supplies. In overseas markets, the company has secured a cooperation project for GPU power supplies for computing equipment with leading overseas CSP client Alphabet (Google) and has established cooperative relationships with Advanced Micro Devices (AMD) and Juniper. It also maintains technical exchanges with mainstream server system integrators like Inventec and Compal. Regarding capacity layout, the company's production base in Vietnam has completed the construction and debugging of general-purpose and high-power server power supply production lines. Small-batch production is expected to commence by the end of 2026, with scaled mass production in 2027. The company's 2026 revenue target, referenced from equity incentive assessments, sets a trigger growth rate of 72% and a target growth rate of 90%.
**2. Tongding Interconnection Information Co.,Ltd. (002491.SZ) Clarifies: No Business Relationship with NVIDIA** Tongding Interconnection Information Co.,Ltd. issued a clarification announcement. The company noted that a WeChat public account published an article titled "Hitching a Ride with NVIDIA, This A-share Optical Fiber Stock Has Surged Over 300% This Year" on May 12, 2026. Upon verification, Corning, as a supplier, sells optical fiber preforms (hereafter "preforms"). The company purchases preforms from Corning for optical fiber production. To date, Hainan Corning only serves as a supplier of preform raw materials to the company, with limited procurement scale. The average annual purchase volume from 2023 to 2025 was 187.25 tons. There is no exclusive supply arrangement nor any other cooperative relationship. The company plans to reduce the proportion of external procurement in the future by producing its own preforms. The title and content of the aforementioned public account article may mislead investors' judgment. The expression "hitching a ride with NVIDIA" is inaccurate and the conclusion is unfounded. The company has no business relationship with NVIDIA.
**3. Hangzhou Tigermed Consulting Co.,Ltd. (300347.SZ): Plans Share Buyback Worth 500 Million to 1 Billion Yuan** Hangzhou Tigermed Consulting Co.,Ltd. announced its intention to use its own funds or raised funds to repurchase a portion of its A-shares through centralized bidding. The total repurchase amount will be no less than 500 million yuan and no more than 1 billion yuan, with a repurchase price not exceeding 60 yuan per share. The repurchased shares will be used to implement an A-share equity incentive plan or employee stock ownership plan (not exceeding 60% of the total repurchase) and to reduce registered capital (not less than 40% of the total repurchase). The repurchase period will not exceed 12 months from the date of shareholder meeting approval.
**4. Hangzhou Shenhao Technology Co.,Ltd. (300853.SZ): Signs Strategic Cooperation Agreement in Embodied AI Field with China Mobile (Hangzhou)** Hangzhou Shenhao Technology Co.,Ltd. announced that it signed a strategic cooperation agreement with China Mobile (Hangzhou) Information Technology Co., Ltd. Both parties will engage in deep cooperation around embodied intelligent terminal products. China Mobile (Hangzhou) is a wholly-owned subsidiary of China Mobile Communications Co., Ltd. (China Mobile), focusing deeply on four key technology areas: operating systems, computing power and security, artificial intelligence, and robotics. It is an important carrier for China Mobile's implementation of the "Network Power" strategy and promotion of corporate transformation.
**5. Dian Diagnostics Group Co.,Ltd. (300244.SZ): Director Ye Xiaoping Under CSRC Investigation for Alleged Information Disclosure Violations Regarding Hangzhou Tigermed Consulting Co.,Ltd. Shareholding Changes** Dian Diagnostics Group Co.,Ltd. announced that its director, Ye Xiaoping, received a "Notice of Case Filing" from the China Securities Regulatory Commission (CSRC) on May 12, 2026. The CSRC decided to initiate an investigation into him due to alleged violations of laws and regulations concerning information disclosure related to shareholding changes in Hangzhou Tigermed Consulting Co.,Ltd. (300347.SZ). The aforementioned matter is unrelated to the stock trading, information disclosure, or business operations of Dian Diagnostics and will not affect the company's normal operations.
**6. Shanghai Bailian Group Incorporated Company (600827.SH): Plans to Terminate Trusteeship of 41.51% Equity in Lianhua Supermarket; Expected to Constitute a Major Asset Restructuring** Shanghai Bailian Group Incorporated Company announced that it and its controlling shareholder, Bailian Group, intend to terminate the trusteeship of the 41.51% equity in Lianhua Supermarket held by Bailian Group. Upon completion, Shanghai Bailian's voting right ratio in Lianhua Supermarket will decrease from 56.66% to 15.15%, and Lianhua Supermarket will no longer be included in its consolidated financial statements. Preliminary calculations indicate this transaction is expected to constitute a major asset restructuring and does not involve share issuance or a change of control. The transaction is still in the planning stage and carries uncertainty. Through this termination of equity trusteeship, both Shanghai Bailian and Lianhua Supermarket will focus on their respective core businesses.
**7. Ningbo Boway Alloy Material Company Limited (601137.SH): Plans to Sell U.S. Solar Business Battery Assets for Approximately $724 Million** Ningbo Boway Alloy Material Company Limited announced that its wholly-owned subsidiary intends to sell its battery assets to INOX SOLAR AMERICAS, LLC. The base acquisition price is $413 million, with a base performance payment amount of $57 million. The company had previously signed a transaction agreement to sell module assets, with a transaction price not exceeding $254 million. The total transaction value for selling 100% equity in Boway Solar (North Carolina) and the battery assets is estimated to be approximately $724 million. This proposal still requires submission to the shareholder meeting for approval. The solar cell project is still in the investment and construction phase, with a total investment budget of $370 million. The assets will be delivered to the buyer upon project completion. Upon completion of this transaction, the company will recover its investment cost and obtain a certain premium gain, with final results subject to post-delivery settlement.
**8. Biwin Storage Technology Co.,Ltd. (688525.SH): Re-submits Application for H-share Listing** Biwin Storage Technology Co.,Ltd. announced that it re-submitted an application for the issuance and listing of overseas listed shares (H-shares) to The Stock Exchange of Hong Kong Limited on May 12, 2026, and published the application materials on the Hong Kong Exchange's website on the same day. This issuance still requires filing, approval, or authorization from institutions including the CSRC, the Securities and Futures Commission of Hong Kong, and The Stock Exchange of Hong Kong Limited, and carries uncertainty.
**9. Yunnan Energy New Material (Group) Co.,Ltd. (002812.SZ): Plans 40 Billion Yuan Investment in Zigong for 50 Billion Square Meter Lithium Battery Separator Project** Yunnan Energy New Material (Group) Co.,Ltd. announced its intention to invest in the construction of an annual 50 billion square meter lithium battery separator project in Rong County, Zigong City, Sichuan Province, with an estimated total investment of 40 billion yuan. The company signed a "Strategic Cooperation Agreement" with the Zigong Municipal People's Government, and its controlling subsidiary, Shanghai Energy, signed an "Investment Cooperation Agreement" with the Rong County People's Government. The project will be implemented by a newly established subsidiary, with the company holding 67% and an industrial cooperation partner recommended by the Zigong Municipal Government holding 33%. Other partners may be introduced later, holding no more than 10%. Project funds will be sourced from the company's own funds and raised funds, aiming to improve production capacity layout and enhance market share.
**10. China Jushi Co.,Ltd. (600176.SH): Plans 44.31 Billion Yuan Investment to Build Annual 50,000-Ton Electronic Yarn and 320-Million-Meter Electronic Fabric Production Line Project** China Jushi Co.,Ltd. announced that its wholly-owned subsidiary, Jushi Group's wholly-owned subsidiary Jushi Huai'an, plans to construct an annual 50,000-ton electronic yarn and 320-million-meter electronic fabric production line project, with a total investment of 44.31 billion yuan. Upon completion, the project is expected to achieve a total investment return rate of 10.81%, which will help the company adjust its product structure, enhance profitability, and improve international competitiveness.
**Risk Warnings for Volatile Stocks** 1. **Datang Power Generation (6 consecutive limit-ups):** Currently has no operational power-computing synergy projects. 2. **Wuxi Taiji Industry Co.,Ltd.:** Semiconductor business revenue accounted for 15.15% of total revenue in 2025. 3. **CSSC (Handan) Perfluorochemical Co.,Ltd. (20% limit-up 3 times in 2 days):** Recently, some downstream customers have increased business negotiations regarding tungsten hexafluoride products, but no new long-term or substantial large-volume order agreements have been signed. 4. **Tongguan Copperfoil Co.,Ltd.:** Self-developed high-frequency, high-speed copper foil products have begun batch supply, but the overall shipment proportion is currently not high. 5. **Jiangsu Tongguang Optical Cable Co.,Ltd.:** During the period of abnormal stock price fluctuations, the largest shareholder, Tongguang Group, cumulatively reduced its holdings by 2.5272 million shares. 6. **United Electronics Co.,Ltd. (2 consecutive limit-ups):** Does not have "Indium Phosphide" or "Optical Chip" related products or business. 7. **Puya Semiconductor (Shanghai) Co.,Ltd.:** Main products include niche non-volatile memory products like 2D NAND, and the corresponding market size is relatively small.
**Share Buybacks & Changes in Holdings** 1. **Jilin Forest Industry Co.,Ltd.:** Controlling shareholder plans to increase holdings worth 17.5 million to 35 million yuan. 2. **Zhanpeng Technology Co.,Ltd.:** Shareholders, directors, and senior management plan to reduce holdings collectively by no more than 4.97%. 3. **Suntar Membrane Technology (Xiamen) Co.,Ltd.:** Shareholder Qingyuan China plans to reduce holdings by no more than 3%. 4. **Xinjiang Huijia Department Store Co.,Ltd.:** Controlling shareholder plans to reduce holdings by no more than 1%. 5. **Ming Li Da Precision Manufacturing Co.,Ltd.:** Shareholder Zhang Xianming plans to reduce holdings by no more than 1%.
**Major Contract Signing** **Shaanxi Huaqin Technology Co.,Ltd.:** Signed a sales framework agreement for special functional materials used in aero-engines, worth approximately 1.48 billion yuan.
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