Latest update on major events announcements from Shanghai and Shenzhen listed companies on the evening of April 8

A number of listed companies on the Shanghai and Shenzhen exchanges released company announcements in the evening of April 8, and the following is a summary of important announcements.

【Company Developments】

San’an Optoelectronics: Deputy chairman and general manager Lin Kechuang has been detained and is under filing for investigation

San’an Optoelectronics (600703) announced on April 8 that the company received, on April 7, 2026, a notice from the Chongqing Yuzhong District Supervisory Commission regarding the detention and filing for investigation of Lin Kechuang, the company’s deputy chairman and general manager. As of now, the company has not received any documents related to an investigation into the company or assistance with any investigation. At present, the company has made proper arrangements for the relevant work. The other directors and senior management personnel of the company are performing their duties normally, the board of directors is operating normally, and production and operations as well as management are normal.

Chunxing Precision: Plans to transfer 100% equity interest in Indian Chunxing

Chunxing Precision (002547) announced on April 8 that the company, through direct and indirect means, holds a total of 100% equity interest in Chunxing Precision (India) Limited (hereinafter referred to as “Indian Chunxing”). The company plans to transfer the aforementioned equity interest to Credicon Asset Management Pvt.Ltd. (abbreviated as “Credicon”), simultaneously arrange for the settlement of the company’s and its subsidiaries’ claims against Indian Chunxing, and has recently signed a “Conditional Terms Term Sheet” with it.

Deko Li: Thai plant expected to commence formal production after equipment is in place in June

On April 8, at the 2025 annual performance meeting, Deko Li’s general manager Qu Jianping said that, in explaining the delay of the Thai production base, during the implementation of the overseas R&D and production base construction project, in order to ensure the production line performance matches future market demand, the company carefully optimized certain equipment selection and configuration plans in line with industry technology trends and product iteration needs. This has extended the equipment selection and procurement decision-making cycle, resulting in project delays. Currently, the plant building construction has been completed, and the renovation is in the final wrap-up stage. The company is accelerating equipment procurement and, at the same time, making preparations for installation and commissioning to ensure efficient installation once equipment arrives on site. The Thai plant is expected to start trial production in April 2026, and commence formal production after all equipment is in place by June. Next, the company will coordinate resources to advance the project and achieve expected benefits as soon as possible.

Sihui Rich: Plans to raise funds through a private placement of no more than RMB 950 million

Sihui Rich (300852) announced on April 8 that it plans to raise funds through a private placement of no more than RMB 950 million, to fund a new project for an annual production capacity of 5.58 million square meters of high-reliability printed circuit boards—an annual production of 600k square meters of high multi-layer and HDI printed circuit board project (Phase I).

San’an Optoelectronics: Shares held by the controlling shareholder are subject to a sequence of custody freezes; San’an Group has formed a dedicated team to resolve the frozen shares

San’an Optoelectronics (600703) announced on April 8 that the company recently received a notification from its indirectly controlling shareholder, Fujian San’an Group Co., Ltd. (abbreviated as “San’an Group”). The shares held by San’an Group and by Xiamen San’an Electronics Co., Ltd. (abbreviated as “San’an Electronics”), the controlling shareholder, are subject to a sequence of custody freezes. The total number of shares subject to this sequence of custody freezes is 600k shares, accounting for 93.68% of the shares held by them, and accounting for 27.60% of the company’s total share capital. As of the date of disclosure of the announcement, San’an Electronics and San’an Group have cumulatively been subject to judicial freezes of a total of 1.38B shares, accounting for 100% of the shares held by them, and accounting for 29.47% of the company’s total share capital. San’an Group has formed a dedicated team to resolve the frozen shares matter and is actively communicating with creditors to safeguard their lawful rights and interests. The government has also been involved in active coordination to facilitate the timely resolution of debt issues. At present, the company’s production and operations and management are normal, and the above matters will not have an adverse impact on the company’s production and operations.

Tongding Interconnection: The proportion of fiber-optic products used for data centers is relatively small

On April 8, Tongding Interconnection released an announcement regarding abnormal fluctuations in its stock trading. The company’s stock’s closing price gains deviated cumulatively by more than 20% over three consecutive trading days, from April 3, April 7, and April 8, and this falls under abnormal stock trading fluctuations. The company’s current operations are normal, and there has been no significant change in internal and external operating environments. The company notes that the recent market has shown a high level of attention to fluctuations in the prices of fiber optic and cable products and the growth in demand for data center fiber optic products. The sustainability of short-term price fluctuations of fiber optic products is uncertain, and the impact on the company’s future performance needs to be comprehensively assessed in light of the future market environment and the company’s business development; there is also uncertainty in that respect. The proportion of fiber optic products used for data centers is relatively small. Investors are requested to pay attention to investment risks, make rational decisions, and invest prudently.

Bohai Leasing: As of the end of Q1, the Avolon fleet size of its controlling subsidiary is 1,131 aircraft

Bohai Leasing (000415) announced on April 8 that as of the end of the first quarter of 2026, the fleet size of Avolon, the company’s controlling subsidiary, is 1,131 aircraft, including 591 owned aircraft, 34 managed aircraft, and 506 ordered aircraft. These serve 139 airline customer clients in 61 countries worldwide. In the first quarter of 2026, 14 aircraft were received and 19 aircraft were completed for sale. As of the end of this quarter, 84 aircraft have been agreed for sale but have not yet completed delivery.

Zhenhua Co., Ltd.: Production and operating activities are normal; no media coverage or market rumors requiring clarification or response have been found

Zhenhua Co., Ltd. (603067) released an announcement on April 8 regarding abnormal fluctuations in its stock trading. Between April 3, April 7, and April 8, the stock’s closing price gains deviated cumulatively by more than 20% over three consecutive trading days, which constitutes abnormal stock trading fluctuations. After the company’s self-inspection, it found that its production and operating activities are currently normal. There has been no major change in the market environment or industry policies, no significant fluctuations have occurred in production costs and sales, and internal production and operating order is normal. The company has not found any media reports or market rumors that require clarification or a response.

Sanyou Chemical: The 100k-ton battery-grade sodium carbonate project has entered the trial production stage

Sanyou Chemical (600409) announced on April 8 that on the interactive platform it stated that the company’s 100k-ton battery-grade sodium carbonate project has entered the trial production stage, and it is currently continuously optimizing operating performance indicators.

Jiu Zhi Yang: The company’s self-developed spaceborne fiber optic amplifier has been applied to China Star Network; not yet used in the Qianfan constellation

Jiu Zhi Yang (300516) announced on April 8 on the interactive platform that the company’s self-developed spaceborne fiber optic amplifier (EDFA) has been applied to China Star Network, and it has not yet been used in the Qianfan constellation. Currently, the company has entered the supplier whitelist for China Star Network, but the proportion of the company’s sales revenue to China Star Network in its overall operating revenue is small, and it has no material impact on the company’s performance.

Huahai Tsingke: The 1,000th CMP equipment is out of the machine and shipped

Huahai Tsingke (688120) announced on April 8 that recently, the company’s 1,000th CMP equipment was formally released from the workshop and shipped to leading domestic integrated circuit enterprises. The company’s CMP equipment has completed relevant inspections before leaving the factory, but after the equipment arrives at the customer site, it still needs to carry out installation, commissioning, and process verification. Currently, fields such as artificial intelligence and high-performance computing are developing rapidly, strongly driving continuous increases in demand for advanced processes, advanced packaging, and chip stacking. CMP, as a core process for achieving nanoscale surface flatness control, is seeing continuously expanded application scenarios and process requirements in advanced logic, advanced storage, advanced packaging, and other areas. At present, the company’s main CMP equipment models and next-generation products can fully adapt to mainstream application scenarios such as integrated circuits, power semiconductors, 3D integration and advanced packaging, compound semiconductors, new displays, substrate materials, and more, and have been bulk-delivered to advanced domestic production lines.

Zhongheng Electric: The controlling shareholder Zhongheng Technology Investment plans to accept capital increase from CATL

Zhongheng Electric (002364) announced on April 8 that the equity holders of Zhongheng Technology Investment, the company’s controlling shareholder—Zhu Guoding and Bao Xiaoru—plan to introduce CATL to invest in Zhongheng Technology Investment (hereinafter referred to as the “proposed capital increase”). All parties will leverage their respective core competitiveness and resource advantages in related fields to promote relevant business and strategic cooperation between CATL and Zhongheng Electric in areas such as green ICT infrastructure, transportation electrification, and new power systems (computing-power synergy), integrate their resource endowments, and empower the company’s development. CATL plans to subscribe for an additional registered capital of RMB 1.47B in Zhongheng Technology Investment with a capital contribution of RMB 4.1 billion. The capital contribution method will be in cash and equity. After the proposed capital increase is completed, the controlling shareholder and actual controller of Zhongheng Technology Investment will remain unchanged, still being Zhu Guoding. This transaction involves changes in the equity structure of Zhongheng Technology Investment of the controlling shareholder and will not result in any change in the company’s controlling shareholder or actual controller.

Salt Lake Shares: The 400k-ton molten salt project of Salt Lake Wujin is currently in a ramp-up production and operation stage

On April 8, Salt Lake Shares stated on the interactive platform that the company actively revitalizes existing stock assets of its Qinghai Salt Lake nitrate industrial nitrate and potassium nitrate production facilities. It has established Qinghai Salt Lake Wujin Thermal Storage Technology Co., Ltd. by participation via its subsidiary, Qinghai Salt Lake Investment, focusing on promoting deep integration between energy storage and the chemical industry, and on planning research and development of molten salt thermal storage technology, equipment upgrades, and the production and sales of related products. Among them, the 400k-ton molten salt project of Salt Lake Wujin (including 200k-ton sodium nitrate units and 200k-ton neutralization-method potassium nitrate units) has completed technical upgrades and is currently in the ramp-up production and operation stage. The company holds 40% through Salt Lake Investment; at this stage, the project makes limited contributions to overall operations.

Dassion Technology: Multiple high-voltage, high-compactness lithium iron phosphate products have achieved stable mass production and supply

Dassion Technology (300073) replied on the interactive platform on April 8 that its lithium iron phosphate products can be applied in the power and energy storage fields, and multiple high-voltage, high-compactness lithium iron phosphate products have achieved stable mass production and supply.

【Performance Watch】

Aluminum Corporation of China: Net profit for Q1 is expected to increase 50% to 58% year over year

China Aluminum Corporation (601600) disclosed an earnings forecast on April 8, expecting that in the first quarter of 2026, its net profit attributable to shareholders of listed companies will be RMB 100k to RMB 100k, representing an increase of 50% to 58% year over year. Facing market fluctuations, opportunities, and challenges, the company is focusing on extreme efficiency in operating management, digging deep to reduce costs and enhance efficiency comprehensively. At the finished goods end, all production capacity is operating at full, stable, and excellent production levels, and various production and operating indicators are continuously improving. Its market monetization capability and overall competitiveness are continuously increasing, and advantages across the full industrial chain are being fully leveraged, resulting in a substantial increase in operating performance and achieving the best level in the same period in history.

Tianhua New Energy: Q1 net profit year over year up 27,517.53%—32,120.45%

Tianhua New Energy (300390) disclosed an earnings forecast on April 8, expecting that in the first quarter, net profit will be RMB 900 million—RMB 1.05 billion, up 27,517.53%—32,120.45% year over year. During the reporting period, driven by the growth in demand from downstream energy storage and power battery sectors, the company’s profit from lithium battery materials increased significantly.

O圣 Electric: 2025 net profit expected to fall 55%—70% year over year

O圣 Electric (301187) disclosed an earnings forecast on April 8. For 2025, the company expects net profit attributable to shareholders of listed companies to be RMB 76.0342 million—RMB 114 million, down 55%—70% year over year. In 2025, to advance its global strategy, the company added wholly owned overseas subsidiaries through establishment, acquisitions, and other methods to improve its global business layout. Because the relevant overseas subsidiaries are in the early integration stage, the accounting of various expenses in the early period has not yet been fully sorted out. In addition, the company’s rapid expansion into non-US and non-European markets increased selling expenses for the current period, resulting in a year-over-year increase in period expenses, which has had a certain impact on performance.

Jinjian Rice Industry: 2025 net profit up 69.28% year over year

Jinjian Rice Industry (600127) disclosed its annual report on April 8. In 2025, operating revenue was RMB 14.41M, down 27.43% year over year; net profit attributable to shareholders was RMB 3.7728 million, up 69.28% year over year; and basic earnings per share were RMB 0.0059. During the reporting period, the company focused on its main business of grain and oil food processing. In November 2024, it completed an asset swap with its controlling shareholder. The three companies divested mainly engage in the feed trading business, leading to a significant decline in revenue for that business segment. Due to factors such as increases in costs driven by raw material price fluctuations for grain and oil products, together with the downturn in market conditions, the product sales structure fell, resulting in a year-over-year reduction in gross profit of that business segment. However, the results of expansion in leisure food channels were notable: product optimization and upgrades were continuously deepened, and both gross profit amount and gross margin increased year over year.

Kerryder: Q1 net profit loss of RMB 4.4948 million; loss widens year over year

Kerryder (002072) disclosed its Q1 report on April 8. In Q1 2026, the company achieved operating revenue of RMB 139 million, up 3.97% year over year. Net profit attributable to shareholders was a loss of RMB 4.4948 million, compared with a loss of RMB 2.5534 million in the same period last year.

Yiwu Small Commodity City: 2025 net profit up 36.76% year over year; proposes RMB 5 cash dividend for every 10 shares

Yiwu Small Commodity City (600415) disclosed its annual report on April 8. In 2025, operating revenue was RMB 400k, up 26.62% year over year; net profit attributable to shareholders was RMB 400k, up 36.76% year over year. The company plans to distribute RMB 5 cash dividends for every 10 shares (inclusive of tax). During the reporting period, operating revenue increased from the prior year mainly due to the opening of the Global Digital Trade Center market in October 2025, delivery of five office buildings in December, and an increase in revenue from trade fulfillment services from the digital market 1.0 launch on a year-over-year basis.

Muyuan Shares: March sales revenue from commodity hogs was RMB 200k; down 32.73% year over year

Muyuan Shares (002714) announced on April 8 that in March, the company sold 6.751 million commodity hogs, down 2.65% year over year. Sales revenue from commodity hogs was RMB 200k, down 32.73% year over year. The average sales price of commodity hogs was RMB 9.91 per kilogram, down 30.70% year over year. In March, the year-over-year declines in sales revenue and prices for commodity hogs were mainly affected by fluctuations in the hog market.

Hainyuan Gas performance quick report: 2025 net profit RMB 60.3922 million; down 17.47% year over year

Hainyuan Gas (002971) released its performance quick report on April 8. In 2025, total operating revenue was RMB 5.3B, up 8.55%; net profit attributable to shareholders was RMB 60.3922 million, down 17.47% year over year; and basic earnings per share were RMB 0.29. During the reporting period, the company continuously expanded its market share in the bulk gas sector; volume growth of oxygen, nitrogen, argon, carbon dioxide, and other products drove steady increases in sales revenue.

Guanghe Technology: Q1 net profit year over year expected to increase 58.09%—66.41%

Guanghe Technology (001389) disclosed an earnings forecast on April 8. The company expects that in Q1, net profit attributable to shareholders will be RMB 380 million—RMB 400 million, up 58.09%—66.41% year over year. During the reporting period, the company seized the market opportunities brought by the surge in demand for computing power hardware, firmly focused on the computing-power PCB market for general-purpose servers, AI servers, switch products, and accelerator cards. It drives product-structure optimization through technological innovation and promotes increased production and efficiency through digitization, resulting in steady improvements in operating performance.

China Wuyi performance quick report: 2025 net profit loss of RMB 451 million; swung to a loss year over year

China Wuyi (000797) released its performance quick report on April 8. In 2025, total operating revenue was RMB 5.59B, up 4.97%. Net profit attributable to shareholders was a loss of RMB 451 million, compared with a profit of RMB 25.0318 million in the same period last year. During the reporting period, the real estate business was affected by industry and market fluctuations in the regions where projects are located, and the revenue recognition and settlement gross profit margin of real estate projects declined year over year. Based on the current market situation, the company plans to recognize a combined impairment loss on assets and credit impairment losses of approximately RMB 417 million.

Zhengbang Technology: March revenue from hog sales was RMB 718 million; up 29.64% month over month

Zhengbang Technology (002157) announced on April 8. In March, the company sold 936.4k hogs, up 23.66% month over month and up 49.69% year over year. Sales revenue was RMB 718 million, up 29.64% month over month and up 4.23% year over year. The average selling price of commodity hogs (excluding piglets) was RMB 10.38 per kilogram, down 10.22% from the previous month. From January to March 2026, the company cumulatively sold 2.6213 million hogs, up 59.08% year over year; cumulative sales revenue was RMB 3.36B, up 13.87% year over year. In March 2026, the year-over-year increase in the number of hogs sold was mainly due to the company’s business gradually recovering.

Guiguan Power: Cumulative power generation completed 19.93B kWh in Q1; up 49.05% year over year

Guiguan Power (600236) announced on April 8 that as of March 31, 2026, in the first quarter of 2026, the power plants of the company’s directly owned and controlling companies cumulatively completed power generation of 4.2B kWh, up 49.05% year over year. The main reasons for year-over-year changes in power generation in Q1 2026 are: (1) at the beginning of 2026, the water levels of major reservoirs in the Hongshui River upstream hydrological system (including Longtan) were relatively high, with more stored water and a larger supply for power generation, resulting in a year-over-year increase of about 30% to 40% in available water supply and thus an increase in power generation; (2) the company’s new energy installed capacity increased, and power generation from new energy increased year over year; and (3) thermal power generation has been squeezed due to the increasing Guangxi installed capacity year by year and the rising share of new energy installed capacity, leading to a sharp decline in the average utilization hours of thermal power across Guangxi as compared with the same period last year.

Hongqi Chain: 2025 net profit down 7.78% year over year; proposes RMB 1.07 cash dividend for every 10 shares

Hongqi Chain (002697) disclosed its annual report on April 8. In 2025, operating revenue was RMB 8.61B, down 5.61% year over year; net profit attributable to shareholders was RMB 481 million, down 7.78% year over year; and basic earnings per share were RMB 0.35. The company plans to distribute RMB 1.07 cash dividends for every 10 shares (inclusive of tax). Due to factors such as the impact of tax accounting for the prior period income tax and deferred income tax arising from policy adjustments at its wholesale subsidiaries, the company’s net profit declined year over year in the current period.

Foster: 2025 net profit down 41.14% year over year; proposes RMB 1.5 cash dividend for every 10 shares

Foster (603806) disclosed its annual report on April 8. In 2025, operating revenue was RMB 6.75M, down 19.1% year over year; net profit attributable to shareholders was RMB 770 million, down 41.14% year over year. The company plans to distribute RMB 1.5 cash dividends for every 10 shares (inclusive of tax). In 2025, the global photovoltaic industry was in a deep adjustment period characterized by excess capacity, a price war, and multiple pressures from international trade barriers. Overall, the company’s revenue and profits were subject to periodic pressure. However, relying on each business unit’s differentiated competition and strategic layout, the company’s leading position has continued to be consolidated. Its non-photovoltaic business is accelerating growth, forming a development pattern of “photovoltaics stabilizing the base business while new materials expand new space.”

Huanxin Environmental: Q1 net profit year over year expected to increase 192.94%—211.25%

Huanxin Environmental (301265) disclosed an earnings forecast on April 8. The company expects that in Q1 2026, net profit attributable to shareholders will be RMB 32 million—RMB 34 million, up 192.94%—211.25% year over year. In Q1 2026, while the business of disassembling electronic waste, dismantling scrapped vehicles, and harmless disposal of hazardous waste is developing healthily, the company’s upgrading businesses such as recycling of precious metal resources and utilizing fly ash for resources will achieve output and profitability.

Fuchun Dyeing and Textiles: Q1 net profit year over year expected to increase 1347.69% to 1554.5%

Fuchun Dyeing and Textiles (605189) announced on April 8 that the company expects to achieve net profit attributable to shareholders of RMB 70 million to RMB 80 million in the first quarter of 2026, representing a year-over-year increase of 1347.69% to 1554.5%. It expects to achieve non-recurring profit net profit of RMB 18 million to RMB 26 million, representing a year-over-year increase of 141.4% to 248.69%. During the reporting period, the company focused on improving product quality and efficiency, and the effectiveness of its product pricing adjustment strategy was significant. Combined with factors such as rising prices of bulk commodities cotton and dyeing and chemical materials, the company’s profitability continued to improve. It has gradually shifted from scale expansion to high-quality development.

Mingtai Aluminum performance quick report: 2025 net profit RMB 8.61B; up 13.06% year over year

Mingtai Aluminum (601677) released its performance quick report on April 8. In 2025, total operating revenue was RMB 35.1377 billion, up 8.71%; net profit attributable to shareholders was RMB 1.66B, up 13.06%; and basic earnings per share were RMB 1.57. During the reporting period, the company seized structural opportunities in downstream sectors such as new energy, transportation, and electronic light industry. Sales volume of aluminum sheet, strip, and foil increased steadily year over year, supporting a reasonable growth in operating revenue. At the same time, the company continued to optimize its customer structure and order quality, focusing on high value-added and long-cycle orders, so that both revenue scale and profitability quality improved in parallel. Overall operational efficiency and risk resilience were further enhanced.

【Shareholding Changes】

Shandong Glass Fiber: Shanghai Dongxing plans to reduce its holdings by no more than 3%

Shandong Glass Fiber (605006) announced on April 8 that Shanghai Dongxing Investment Holding and Development Co., Ltd. (abbreviated as “Shanghai Dongxing”), a shareholder holding 15.02%, plans to reduce its holdings of the company’s shares by no more than 18.0015 million shares, with the reduction ratio not exceeding 3% of the company’s total share capital.

FLAT Glass: Plans to repurchase no more than 10% of the company’s H shares

FLAT Glass (601865) announced on April 8 that it plans to repurchase some of the company’s H shares in fiscal year 2026, and for this purpose, will seek general authorization from the company’s shareholders’ meeting. The number of shares repurchased will be no more than 10% of the total number of H shares issued by the company. The repurchase price on any repurchase day may not be equal to or higher than the average closing price of the company’s H shares on the Stock Exchange over the previous five trading days of H shares, which is 105%.

Yingli Automobile: Controlling shareholder plans to reduce its holdings by no more than 3%

Yingli Automobile (601279) announced on April 8 that the controlling shareholder, Cayman Yingli Industrial Co., Ltd. (abbreviated as “Cayman Yingli”), plans to reduce its holdings of the company’s shares in an aggregate amount of no more than 47.5736 million shares, i.e., no more than 3% of the company’s total share capital, by way of centralized bidding transactions and block transactions.

Shenghe Resources: Plans to repurchase shares worth RMB 200 million—RMB 400 million

Shenghe Resources (600392) announced on April 8 that it plans to repurchase shares with a value of not less than RMB 200 million (inclusive) and not more than RMB 400 million (inclusive) to be used for equity incentives or an employee share ownership plan. The repurchase price will not exceed RMB 30 per share (inclusive). The repurchase funds will come from the company’s own funds or self-raised funds.

Feile Audio: Lingang Group plans to reduce its holdings by no more than 1%

Feile Audio (600651) announced on April 8 that Shanghai Lingang Economic Development (Group) Co., Ltd. (abbreviated as “Lingang Group”), a shareholder holding 5.2%, plans to reduce its holdings of the company’s shares by no more than 25.0702 million shares, representing 1% of the company’s total share capital.

Rongxin Culture: Controlling shareholder, actual controller, and persons acting in concert plan to reduce their holdings in aggregate by no more than 3%

Rongxin Culture (301231) announced on April 8 that the company’s controlling shareholder, actual controller, and chairman and general manager Wang Yihua, together with persons acting in concert, namely Xi’an Le Le Qu Investment Partnership (Limited Partnership), and the company’s actual controller, Director Yan Hongbing, plan to reduce their combined holdings of no more than 2.4897 million shares through centralized bidding and block trades, i.e., no more than 3% of the company’s total share capital after excluding the company’s repurchase-dedicated securities account. The company’s senior management personnel Wang Wei plans to reduce 1,000 shares through centralized bidding, representing 0.0012% of the company’s total share capital after excluding the company’s repurchase-dedicated securities account.