Selected A-share Announcements | China Petroleum & Chemical Corporation (600028.SH) to Buy Back Nearly 12 Million Shares for the First Time Suzhou QingYue Optoelectronics Technology (688496.SH) to Be Delisted by the Shanghai Stock Exchange.

1. Today's Focus 1. China Nuclear Engineering Corporation: New contracts worth 29.85 billion yuan signed from January to May 2026 China Nuclear Engineering Corporation announced that the company's operating performance brief for January to May 2026 showed new contracts worth 29.85 billion yuan and operating income of 34.516 billion yuan. The above data is for a specific period and may differ from the data disclosed in regular reports. 2. Tansun Technology: Signs a 3.03 billion yuan cloud mining service agreement Tansun Technology announced that the company has signed a "Cloud Mining Service Agreement" with Yunli Smart Technology Co., Ltd., with a total amount (including tax) of 3.03 billion yuan. The company will provide cloud mining services, which are expected to bring continuous and stable income to the company but will not have a significant impact on the annual profit level and overall profitability. There are uncertainties in the fulfillment of the agreement, and if the company fails to complete the equipment preparation on time, it may face a penalty of 20% of the total price. 3. China Petroleum & Chemical Corporation: Spends about 55.96 million yuan to repurchase 11.75 million shares on June 18th China Petroleum & Chemical Corporation announced that on that day, the company repurchased 11.75 million A shares through centralized bidding, accounting for 0.01% of the total share capital of the company. The highest purchase price was 4.84 yuan per share, the lowest purchase price was 4.71 yuan per share, and the total amount paid was 55.9639 million yuan (excluding transaction costs). 4. Shaanxi Sirui Advanced Materials: Plans to invest 919 million yuan to build an electric heating functional materials research and manufacturing base project, including a project for 40 million optical module chip bases and housing materials Shaanxi Sirui Advanced Materials announced that the company plans to invest in the construction of the "Electric Heating Functional Materials Research and Manufacturing Base Construction Project" with a total investment of 919 million yuan, including a project for 400 million optical module chip bases and housing materials (planned investment of 479 million yuan) and a project for 1,290 tons of high-voltage switch contacts and components (planned investment of 440 million yuan). The project construction period is 5 years, and it is expected to be in a usable state by December 2030. Through this project, the company will achieve an annual production of 25 million optical module chip bases and 15 million optical module housing materials. Currently, the company's optical module chip base has been supplied in batches to the market, and the optical module housing is in the process of being provided in small batches to the market. 5. S.F. Holding: Revenue from express logistics and other businesses in May was 26.586 billion yuan, a year-on-year increase of 5.87% S.F. Holding announced that the total revenue of the company's express logistics business, supply chain, and international business in May 2026 was 26.586 billion yuan, a year-on-year increase of 5.87%. Among them, the operating income of the express logistics business was 19.45 billion yuan, with a business volume of 1.415 billion pieces, and a single ticket income of 13.75 yuan; the operating income of the supply chain and international business was 7.136 billion yuan, a year-on-year increase of 24.49%. 6. Soochow: Plans to purchase 83.68% stake in East Sea Securities, approved by state-owned assets regulatory department Soochow announced that the company plans to purchase an 83.68% stake in East Sea Securities through the issuance of shares and cash payment. Recently, the Suzhou State-owned Assets Supervision and Administration Commission has tentatively agreed to the transaction plan. This transaction still needs to be approved, approved, or registered by the competent regulatory authorities before it can be formally implemented. 7. Shandong Xinchao Energy Corporation: Lifts delisting risk warning and other risk warnings, stock abbreviation changed to "Xinchao Energy" from June 23 Shandong Xinchao Energy Corporation announced that the company's stock will be halted for one day on June 22, 2026, and will resume trading on June 23, 2026, lifting the delisting risk warning and other risk warnings. After the lifting, the A-share abbreviation of the company will change from "Shandong Xinchao Energy Corporation" to "Xinchao Energy," with the stock code remaining the same, and the daily increase and decrease limit changing from 5% to 10%. 8. Espressif Systems: Receives warning letter from Shanghai Securities Regulatory Bureau for failure to disclose the purchase of real estate worth 437 million yuan in a timely manner Espressif Systems announced that the company recently received a decision from the Shanghai Securities Regulatory Bureau regarding the issuance of a warning letter to Espressif Information Technology (Shanghai) Co., Ltd. During an on-site inspection, it was found that the company had two violations of information disclosure regulations: firstly, the board of directors approved the purchase of a research and development building on March 14, 2025 (with a transfer total price of not less than 437 million yuan), but failed to disclose it in the prescribed format until April 30, 2025; secondly, the company signed an equity transfer agreement to acquire control of Shenzhen Mingzhan Information Technology Co., Ltd. in April 2024, and after learning in October 2024 that its net profit for 2023 was 13.695 million yuan and met disclosure standards, it failed to disclose it in a timely manner. The company stated that it will carefully summarize and learn from this incident, strengthen its learning, and the administrative regulatory measures taken this time will not affect the company's normal business management activities. 9. Byhealth Co., Ltd: Plans to invest 50 million yuan in Original Semiconductor Byhealth Co., Ltd announced that the company plans to invest 50 million yuan of its own funds in Original (Beijing) Semiconductor Technology Co., Ltd. After the investment is completed, it will hold 0.97% equity. As the spouse of the company's chairman Liang Yunchao, Luan Xiaohua indirectly holds the equity of the target company, making this investment a related party transaction. The target company is in the early stages, with its main business not directly related to the company, and therefore, there are risks such as unexpected delays in technological research and development and fierce industry competition. This investment is a financial investment aimed at establishing a foothold in the frontier technology field. 10. Fushan Holdings: Expected net profit for the first half of the year to be 165 million to 215 million yuan, reversing from a loss to a profit year-on-year Fushan Holdings announced that it expects the net profit attributable to shareholders of listed companies for the first half of 2026 to be between 165 million and 215 million yuan, compared to a loss of 6.9112 million yuan in the same period last year. During the reporting period, the company seized market opportunities, increasing the production capacity of Electrolyte Additives VC products to 10,000 tons per year, and Fine Chemical Products (FEC) production capacity to around 4,000 tons per year. In the first half of 2026, the sales volume and price of the aforementioned products increased, driving a substantial increase in the company's performance and turning losses into profits. The new energy business has become the core engine driving the company's performance growth. 11. Fanli Digital Technology: Planning for a change in control, continued suspension from trading for up to 3 trading days starting June 22 Fanli Digital Technology announced that the company's actual controller and its concerted action persons Ge Yongchang, Kui Yuanyuan, Shanghai Xiangrui Enterprise Management Consulting Firm, and Shanghai Huirui Enterprise Management Consulting Firm are planning major events that may result in a change in the company's control. The company's stock was suspended on June 17 and 18, 2026, due to the ongoing discussions regarding this matter, which have significant uncertainties. The company has applied for a continued suspension from trading starting June 22, 2026, and it is expected to last for no more than 3 trading days. 12. Saurer Intelligent Technology: In-hand orders for glass fiber processing equipment business do not exceed 300 million yuan Saurer Intelligent Technology issued a stock trading abnormal fluctuation announcement. Recently, some media reported that the company's glass fiber processing equipment business had a large amount of in-hand orders, which is not accurate. As of now, the in-hand orders for the company's glass fiber processing equipment business do not exceed 300 million yuan. 13. Kbc Corporation, Ltd: High-purity aluminum nitride powder products have not yet formed production capacity, related production lines are under construction Kbc Corporation, Ltd released a stock trading risk warning announcement stating that the company's high-purity aluminum nitride powder products have not yet formed production capacity, and the related production lines are under construction. The start date of production is still uncertain, and there are uncertainties in customer introduction and validation work for the product, which is expected to have no significant impact on the company's operational performance in 2026. 14. Chengdu Xuguang Electronics: Company's controllable nuclear fusion related products have not generated revenue as of early 2026 Chengdu Xuguang Electronics issued a stock trading risk warning announcement stating that the company has been classified in the concepts of "controllable nuclear fusion" and "aluminum nitride." As of early 2026, the company's controllable nuclear fusion related products have not generated revenue, and in the first quarter of 2026, the proportion of aluminum nitride related products in the overall operating income is about 5%, which is relatively small and will not significantly impact the company's current and near-term operational performance. 15. Hunan Aihua Group: Supercapacitor-related products are currently not part of the company's core business scope, and related sales revenue has not yet been generated Hunan Aihua Group announced that its stock had a cumulative deviation value of the closing price for three consecutive trading days from June 15th to 17th, reaching 20%, indicating abnormal fluctuations. Recently, there has been high attention on supercapacitor products, but the company's core business is the research, production, and sale of electrolytic capacitors, film capacitors, electrode foils, and metallized films, and supercapacitor-related products are currently not part of the company's core business scope and have not been included in the company's existing main business system. As of now, there has been no related sales revenue generated, and it will not have a significant impact on the company's current and near-term business performance. Regarding the AI server business, the company is currently in the stage of product introduction and capacity ramp-up, and the volume release depends on customer verification progress and supply chain maturity. The proportion of AI servers in the company's total revenue is low, and this business is still in the early stages, where factors such as customer certification cycle, order release pace, and industry demand fluctuations pose normal uncertainties. 16. Shenzhen Infogem Technologies: Elects Zhuo Haihang as chairman, who is the founder of Kaipanla Shenzhen Infogem Technologies announced that at the first meeting of the seventh board of directors, Zhuo Haihang was elected as the chairman, and Chen Xiangjun was appointed as the honorary chairman. At the same time, Song Luliang was appointed as the general manager and legal representative, Liu Yi as the board secretary, Liu Yi, Wu Xuqiang, Wu Jiaqi, Yang Guo as deputy general managers, Zhang Chunlei as the chief financial officer, and Su Shimin as the securities affairs representative. The term of office for the above personnel is three years. Editor: Chen Xiaoyi. 17. National Silicon Industry Group: Subsidiary Shanghai Xinsheng receives a total of 11.448 billion yuan in capital increase from Guosheng Group and the company National Silicon Industry Group announced that the company plans to jointly increase capital in subsidiary Shanghai Xinsheng with Guosheng Group, a shareholder holding more than 5% of the shares, with a total capital increase of 11.448 billion yuan. The company will subscribe to the newly registered capital of Shanghai Xinsheng at a price of 7.448 billion yuan based on the equity of Xinsheng Jingtou and three other subsidiary companies; Guosheng Group will contribute 40 billion yuan (including 10 billion yuan in debt-to-equity swaps) to subscribe to the newly registered capital. After the capital increase, the company's shareholding ratio will decrease from 100% to 84.48%, remaining the controlling shareholder. 18. Shenzhen Dynanonic: Plans to raise up to 2.9 billion yuan for the lithium battery new material integrated project, etc. Shenzhen Dynanonic announced that the company plans to issue shares to specific objects to raise funds up to a total of 2.9 billion yuan, with the net proceeds used for the Lithium Battery New Material Integration (Phase I) Project (20,000 tons/year of phosphate new material project) and supplementary working capital. Among them, the total investment for the Lithium Battery New Material Integration Project is 2.4 billion yuan, with the planned use of 2.15 billion yuan of raised funds; and the supplementary working capital project plans to use 750 million yuan of raised funds. The project aims to add an annual production capacity of 200,000 tons of new generation high-voltage phosphates new materials to meet the growing demand of the new energy vehicles and energy storage market, improving the company's market competitiveness. Risk Warnings on Stocks with Abnormal Trading Activity 1. Jiangsu Sopo Chemical: Company and related persons received a warning letter from the Jiangsu Securities Regulatory Bureau 2. Zhongguo Tianze: Planning for a change in controlling shareholder, stock continues to be suspended 3. Wuhan Kotei Informatics: Director-General Wang Junde received a warning letter from the Hubei Securities Regulatory Bureau for illegally reducing holdings 4. Guangdong Guangzhou Daily Media: Deputy General Manager Cao Yang resigns from the company for personal reasons 5. Beijing New Space Technology: Applies for an extension to reply to inquiries from the Shanghai Stock Exchange 6. Focuslight Technologies Inc.: Core technical personnel Wang Jingwei resigns 7. Fanli Digital Technology: Planning for a change in control, continued suspension from trading for up to 3 trading days starting June 22 8. Inner Mongolia ERDOS Resources: Persons acting in concert did not disclose their relationship in a timely manner, resulting in a warning letter 9. Anhui Gourgen Traffic Construction: Company and subsidiaries are involved in lawsuits, with a total amount of 31.3768 million yuan 10. Espressif Systems: Receives a warning letter from the Shanghai Securities Regulatory Bureau for failing to disclose the purchase of real estate worth 437 million yuan in a timely manner 11. Suzhou QingYue Optoelectronics Technology: The Shanghai Stock Exchange will decide to delist the company's stock, which falls under the category of mandatory delisting due to trading issues. 12. Jintuo Technology: The company's stock had a cumulative increase of over 20% for three consecutive days, indicating abnormal trading activity 13. Guilin Fuda Co., Ltd.: Stock trading experienced abnormal fluctuations, but there were no undisclosed significant matters 14. BZS: Has not produced humanoid Siasun Robot & Automation components 15. Kbc Corporation, Ltd: High-purity aluminum nitride powder products have not yet formed production capacity, related production lines are under construction 16. YingTong Telecommunication: Received a warning letter from the Hubei Securities Regulatory Bureau 17. Shenzhen Breo Technology: The actual controller received a "Notice of Administrative Penalty Decision" from the regulatory authority 18. Nanjing Wavelength Opto-Electronic Science & Technology: Chairman Huang Shengdi received a decision on being released on bail pending trial 19. CETC Digital Technology: Receives a warning and fine of 2 million yuan from the Shanghai Securities Regulatory Bureau for information disclosure violations 20. GigaDevice Semiconductor Inc.: Company's operations are normal, but cyclic fluctuations in the storage industry may impact future operations 21. Eastern Pioneer Driving School: Fully-owned subsidiary received decisions on tax treatment and administrative penalties Significant Company Performance Overview 1. S.F. Holding: Revenue from express logistics and other businesses in May was 26.586 billion yuan, a year-on-year increase of 5.87% 2. Wuxi Taiji Industry: Completed operating income of 4.65 billion yuan in 2025 from the semiconductor business, accounting for 15.15% of the company's annual operating income 3. Fushan Holdings: Expected net profit for the first half of the year to be 165 million to 215 million yuan, reversing from a loss to a profit year-on-year.