A number of listed companies in Shanghai and Shenzhen issued company announcements on the evening of February 26, and the following is a summary of important announcements.

[Product].

Tengjing Technology: Planning to purchase the control of Xunte Communications will be suspended from the 27th

Tengjing Technology (688195) announced that the company is planning to purchase the control of Shenzhen Xunte Communication Technology Co., Ltd. (hereinafter referred to as "Xunte Communication") by issuing shares and paying cash, and the transaction is expected to constitute a major asset restructuring. The company's shares have been suspended since the market opened on February 27, and it is expected that the suspension will not exceed 5 trading days.

Hengrun shares: 12.8 million shares held by more than 5% shareholder Cheng Lixin will be auctioned judicially

Hengrun shares (603985) announced that more than 5% of the company's shareholders will be auctioned by the judiciary to hold 12.8 million shares of the company, accounting for 17.08% of their shares and 2.90% of the company's total share capital. The reason for the auction is a contract dispute. Cheng Lixin is not the controlling shareholder or actual controller of the company, and the judicial auction of the company's shares held by him will not lead to a change in the company's control, nor will it affect the company's daily operation and management.

Wuzhou New Year: The company's self-inspection production and operation are normal, and the performance of the Mexican factory in 2024 is less than expected

Wuzhou New Year (603667) issued an announcement on abnormal fluctuations in stock trading, saying that the company's shares will deviate from the closing price increase by more than 20% in three consecutive trading days from February 24 to 26, 2025, which is an abnormal fluctuation in stock prices. The company's self-inspection production and operation are normal, and the performance of the Mexican factory in 2024 is less than expected, with a loss of nearly 20 million yuan in the first three quarters, but there have been no major changes in the internal and external environment. The company, the controlling shareholder and the actual controller do not have any material matters that should be disclosed but have not been disclosed. The company's TTM price-to-earnings ratio valuation is much higher than the industry level, and there are investment risks.

Wuzhong, Jiangsu: Filed a case by the China Securities Regulatory Commission on suspicion of illegal information disclosure

Jiangsu Wuzhong (600200) announced that the company received the "Notice of Case Filing" from the China Securities Regulatory Commission on February 26, 2025, and the China Securities Regulatory Commission decided to file a case against the company due to the company's suspected illegal information disclosure. If the facts determined by the subsequent administrative penalty of the China Securities Regulatory Commission touch the situation of forced delisting of material violations, the company's shares will be subject to forced delisting of major violations. At present, the company's daily operation is normal, and it will actively cooperate with the investigation and fulfill the obligation of information disclosure.

Hangzhou Iron and Steel Co., Ltd.: It does not involve the research and development of core technologies of computing power

Hangzhou Iron and Steel Co., Ltd. (600126) issued an announcement on abnormal fluctuations in stock trading, and the company paid attention to the relevant reports on the deployment and adaptation of its subsidiary DeepSeek in the early stage. The company's main business is the production and sales of steel and its rolled products, and the company's main business will not change in the short term. The business model of the company's computing power business is mainly the procurement of hardware equipment and related software, and the leasing services provided to customers after integration, which does not involve the research and development of core computing power technologies, etc., and is expected to account for 0.06% of the company's total operating income in 2024, accounting for a very small proportion. The DeepSeek deployment adaptation mentioned in relevant media reports refers to the installation of DeepSeek software in the partner's system under the above business model. The company has nothing to do with the development and application of core technologies such as the DeepSeek system, and has no business dealings with Hangzhou DeepSeek Artificial Intelligence Basic Technology Research Co., Ltd.

Zhejiang Zhongcheng: The revenue generated by SEPS series products currently accounts for a small proportion of the company's total revenue

Zhejiang Zhongcheng (002522) issued an announcement on abnormal fluctuations in stock trading, and the company noticed that the recent attention to the hot concept of AI + adults in the market is high. The company's holding subsidiary, Zhejiang Zhongli Synthetic Materials Technology Co., Ltd., is mainly engaged in the research and development, production and sales of thermoplastic elastomers, and its developed hydrogenated styrene/isoprene block copolymer (SEPS) series products can be used in the field of adult products such as physical dolls. The company's main business remained stable and did not fluctuate significantly.

Ningbo Huaxiang: Plans to sell its European business for 1 euro to completely solve its long-term loss problem

Ningbo Huaxiang (002048) announced that since 2014, the European business has suffered long-term large losses, which has had a great impact on the overall development of the company. On February 25, the company signed a share purchase and transfer agreement with Mutares AG, a private equity investment firm listed in Germany, with effective conditions, to sell Ningbo Huaxiang Europe, including a total of six companies in Germany, Romania and the United Kingdom, with a preliminary price of 1 euro. The transaction is expected to have a greater impact on the company's 2025 financial statements, but in the long run, Ningbo Huaxiang has got rid of the burden of long-term constraints on the company's development, which is conducive to the company's future development and value enhancement.

Jinglun Electronics: The company is not involved in the humanoid robot business

Jinglun Electronics (600355) issued an announcement on the evening of February 26 on the change of stock trading, saying that it was concerned that some media classified the company as a robot concept, and the company clarified the relevant matters as follows: the company's main products are electromechanical control products, which do not involve humanoid robot business.

Gongjin shares: Lidar products account for less than 1% of the company's operating income

Gongjin Co., Ltd. (603118) issued a stock trading change announcement on the evening of February 26, saying that the company's main business income is mainly based on Netcom and data communication business, and lidar products are not the company's main business, accounting for less than 1% of the company's operating income, which has a limited impact on the company's short-term performance.

Standard shares: The company is not involved in humanoid robot products

Standard shares (600302) on the evening of February 26 issued a stock trading risk warning announcement, the company noticed that the recent market attention to the concept of "humanoid robot" is high, and now the relevant situation is clarified as follows: the company does not involve humanoid robot products.

Genesis: The revenue of related businesses in the low-altitude economy field accounted for less than 0.1%.

Genesis (300083) issued a stock trading change announcement on the evening of February 26, saying that the concept of "low-altitude economy" in the market has been hot recently, and the company will explain the relevant situation as follows: the company is currently mainly engaged in CNC machine tool products, and the downstream application scenarios are relatively wide. Some products can be applied to the field of "low-altitude economy", but the operating income generated by related businesses accounts for less than 0.1% of the company's overall operating income, which does not have a significant impact on the company's performance.

Kesen Technology: The company provides related structural parts for VR glasses It is expected that the revenue of this business accounted for less than 1% of revenue last year

Kesen Technology (603626) issued an announcement on the evening of February 26 on abnormal fluctuations in stock trading, saying that it has recently paid attention to the company's inclusion in the concept of AI glasses by the media, and after the company's self-inspection, the company does not produce AI glasses. The company's main business is consumer electronics structural parts and medical device structural parts. The company provides related structural parts for VR glasses, which are not the main application areas of the company's main products, and it is expected that the revenue generated by this business will account for less than 1% of operating income in 2024.

Daye shares: the company's gross profit margin is low and its profitability is relatively limited

603278 In recent years, due to the intensification of competition in the rubber skeleton material industry, the company's product prices have declined, coupled with factors such as rising sea freight, resulting in a low gross profit margin of the company, with a gross profit margin of 7.95% in 2021, a gross profit margin of 1.76% in 2022, and a gross profit margin of 8.31% in 2023.

Nanshan Zhishang: Ultra-high molecular weight polyethylene fiber tendon rope products are in the market development stage

Nanshan Zhishang (300918) issued an announcement on the evening of February 26 on stock trading changes, saying that the company's recent operating conditions and internal and external operating environment are normal, and there have been no major changes in business content and operating conditions. The company has paid attention to the recent market attention to the concept of "robot dexterous hand" and "tendon rope", and the company's ultra-high molecular weight polyethylene fiber tendon rope products are in the market development stage, and there are no relevant orders for the time being, and there are many uncertain factors in the downstream market demand, so investors should pay attention to investment risks.

[Performance].

Sugon: Net profit in 2024 will be 1.914 billion yuan, a year-on-year increase of 4.26%.

Sugon (603019) announced that in 2024, the company will achieve a total operating income of 13.166 billion yuan, a year-on-year decrease of 8.27%; net profit attributable to shareholders of listed companies was 1.914 billion yuan, a year-on-year increase of 4.26%; net profit attributable to shareholders of listed companies after deducting non-recurring gains and losses was 1.375 billion yuan, a year-on-year increase of 7.59%; basic earnings per share was 1.31 yuan, a year-on-year increase of 3.97%; The weighted average return on equity was 9.82%, down 0.48 percentage points year-on-year.

Maixinlin: The net profit in 2024 will be 45.2799 million yuan, a year-on-year increase of 197.01

Maixinlin (688685) released a performance report, achieving a total operating income of 477 million yuan in 2024, a year-on-year increase of 62.38%; net profit was 45.2799 million yuan, a year-on-year increase of 197.01%; Basic earnings per share was 0.31 yuan.

Donglai Technology: Net profit in 2024 will be 85.2367 million yuan, a year-on-year increase of 64.95

Donglai Technology (688129) released a performance report, achieving a total operating income of 598 million yuan in 2024, a year-on-year increase of 15.14%; net profit was 85.2367 million yuan, a year-on-year increase of 64.95%; Basic earnings per share was 0.76 yuan.

SmartGiant: Net profit in 2024 will be 15.2801 million yuan, a year-on-year increase of 70.07%.

SmartGiant (688115) released a performance report, achieving a total operating income of 185 million yuan in 2024, a year-on-year increase of 10.14%; net profit was 15.2801 million yuan, a year-on-year increase of 70.07%; Basic earnings per share was 0.23 yuan. In 2024, the company's revenue from automated production and testing equipment and technical services will increase, and various businesses will develop steadily.

Yingjixin: net profit of 124 million yuan in 2024, a year-on-year increase of 322.73%.

Yingjixin (688209) released a performance report, achieving a total operating income of 1.429 billion yuan in 2024, a year-on-year increase of 17.53%; net profit was 124 million yuan, a year-on-year increase of 322.73%; Basic earnings per share was 0.29 yuan. During the reporting period, the company continued to enrich and optimize product categories and structures, and constantly explored new market areas and customer groups, resulting in sales revenue growth, gross profit margin improvement, and share-based payment expenses decreased year-on-year.

Fudan Microelectronics: Net profit in 2024 will be 573 million yuan, a year-on-year decrease of 20.43%.

Fudan Microelectronics (688385) released a performance report, achieving a total operating income of 3.59 billion yuan in 2024, a year-on-year increase of 1.51%; net profit was 573 million yuan, down 20.43% year-on-year; Basic earnings per share was 0.7 yuan. In 2024, the company adjusted the sales prices of some products in a timely manner to consolidate or expand its market share, and the sales volume and operating income increased. Affected by the decline in product sales prices and the adjustment of product structure, the company's comprehensive gross profit margin decreased by 5.26 percentage points during the reporting period.

Lianru Technology: Net profit in 2024 will be 118 million yuan, a year-on-year increase of 126.52

Lianru Technology (688449) released a performance report on February 26, achieving a total operating income of 1.174 billion yuan in 2024, a year-on-year increase of 13.55%; net profit was 118 million yuan, a year-on-year increase of 126.52%; Basic earnings per share was 0.32 yuan. In 2024, the operating income of the company's data storage main control chip business will achieve steady growth; The annual operating income of AIoT signal processing and transmission chip business increased significantly compared with the previous year.

Aotai Biotech: Net profit in 2024 will be 304 million yuan, a year-on-year increase of 68.18%.

Aotai Biotech (688606) released a performance report, achieving a total operating income of 870 million yuan in 2024, a year-on-year increase of 15.25%; net profit was 304 million yuan, a year-on-year increase of 68.18%; Basic earnings per share was 3.83 yuan. The growth of the company's performance is mainly due to the growth of the company's operating income and the profit growth brought about by cost reduction, cost control and efficiency improvement.

Xuantai Pharmaceutical: Net profit in 2024 will be 128 million yuan, a year-on-year increase of 109.97%.

Xuantai Pharmaceutical (688247) released a performance report, achieving a total operating income of 513 million yuan in 2024, a year-on-year increase of 70.97%; net profit was 128 million yuan, a year-on-year increase of 109.97%; Basic earnings per share was 0.28 yuan. During the reporting period, the company continued to strengthen the sales of products at home and abroad, and the sales revenue and equity sharing income of products increased significantly; At the same time, with the approval of CRO/CMO customers' products and the increase in commercial production and supply, CMO's revenue has increased significantly.

Wright Optoelectronics: Net profit in 2024 will be 167 million yuan, a year-on-year increase of 116.68

Wright Optoelectronics (688150) released a performance report on the evening of February 26, achieving a total operating income of 472 million yuan in 2024, a year-on-year increase of 56.9%; net profit was 167 million yuan, a year-on-year increase of 116.68%; Basic earnings per share was 0.41 yuan. During the reporting period, the company's Red Prime materials and Green Host materials maintained stable mass production and continued to be iteratively upgraded, and the new product Red Host materials passed the customer's mass production test and have been supplied in small batches. The revenue of the company's OLED terminal materials business achieved a significant year-on-year growth, especially the sales volume of Green Host materials increased significantly year-on-year.

Aiwei Electronics: Net profit in 2024 will be 255 million yuan, a year-on-year increase of 399.83%.

Aiwei Electronics (688798) released a performance report on the evening of February 26, achieving a total operating income of 2.933 billion yuan in 2024, a year-on-year increase of 15.88%; net profit was 255 million yuan, a year-on-year increase of 399.83%; Basic earnings per share was 1.1 yuan. During the reporting period, with the gradual recovery of the prosperity of the electronic information industry in which the company is located and the demand for more new AI end-side application scenarios, the company actively explored the market and continued to expand the fields of consumer electronics, industrial interconnection and automobiles, with revenue and shipments reaching a record high in 2024, product shipments exceeding 6 billion, and the comprehensive gross profit margin continued to increase quarter-on-quarter for five consecutive quarters.

Tiandeyu: Net profit in 2024 will be 275 million yuan, a year-on-year increase of 143.61%.

Tiandeyu (688252) released a performance express report on the evening of February 26, achieving a total operating income of 2.102 billion yuan in 2024, a year-on-year increase of 73.88%; net profit was 275 million yuan, a year-on-year increase of 143.61%; Basic earnings per share was 0.68 yuan. The performance growth is mainly due to the recovery of the end consumer market, the company accelerated the speed of product iteration, expanded the product matrix, continuously increased market share through differentiation strategies, and paid attention to refined management, improved inventory turnover speed, and worked closely with the supply chain such as wafer factories and packaging and testing plants to ensure production capacity and delivery, resulting in steady growth in performance.

Sun Paper: Net profit in 2024 will be 3.126 billion yuan, a year-on-year increase of 1.29

Sun Paper (002078) released a performance report on the evening of February 26, with a total operating income of 40.739 billion yuan in 2024, a year-on-year increase of 3.02%; net profit was 3.126 billion yuan, a year-on-year increase of 1.29%; Basic earnings per share was 1.12 yuan. The increase in performance was mainly due to the release of the company's new production capacity during the reporting period, the increase in the production and sales of related paper products, and the company's raw material procurement costs and management cost control.

[Do a repurchase].

Yifei Laser: It is planned to repurchase the company's shares with 50 million yuan to 100 million yuan

Yifei Laser (688646) announced that the company intends to repurchase the company's shares through centralized bidding transactions, with a repurchase amount of not less than 50 million yuan and no more than 100 million yuan. The sources of funds include self-owned funds and self-raised funds, of which the self-raised part will be obtained through special loans of IB Wuhan Branch, and the loan amount shall not exceed 90 million yuan. The repurchased shares will be used for equity incentives/employee stock ownership plans or cancellation and reduce the registered capital at an appropriate time in the future, of which the number of shares used for equity incentives/employee stock ownership plans shall not be less than 50% of the total amount actually repurchased, and the number of shares used for cancellation shall not be more than 50% of the total amount actually repurchased. The repurchase price does not exceed 56.17 yuan per share. The repurchase period shall not exceed 12 months from the date of approval by the general meeting of shareholders.

[Sign a big order].

Lutianhua: It is planned to invest 1.171 billion yuan in the construction of a fine chemicals project with an annual output of 100,000 tons

Lutianhua (000912) announced that the company relies on the existing industrial foundation in the field of synthetic ammonia and oleochemical industry in Luzhou Naxi base, continuously extends the industrial chain, develops to fine chemicals, and plans to invest 1.171 billion yuan in the west area of Luzhou Lutianhua Chemical Industry Park to build a 100,000 tons/year green fine chemicals project.

[Increase or decrease in holdings].

Shangsheng Electronics: Tongtai Venture intends to reduce its holdings of no more than 3% of the company's shares

Shangsheng Electronics (688533) announced on the evening of February 26 that Nanjing Tongtai Venture Capital Partnership (Limited Partnership) (hereinafter referred to as "Tongtai Venture"), a shareholder of 18.42% of the company, plans to reduce its holdings of the company's shares by no more than 4,885,400 shares (accounting for 3% of the company's total share capital) through centralized bidding and block trading.

Goertek: The controlling shareholder plans to increase his holdings of the company by 500 million yuan to 1 billion yuan

Goertek (002241) announced on the evening of February 26 that the company's controlling shareholder, Goertek Group, intends to increase its holdings of the company's shares within 6 months with special loans for stock holdings and its own funds through centralized bidding transactions, with an increase of not less than 500 million yuan and no more than 1 billion yuan. Industrial Bank Weifang Branch promised to provide Goertek Group with a special loan with an amount of no more than 900 million yuan and a loan ratio of no more than 90% of the increased amount, with a loan term of no more than three years.

Palm Reading Technology: Quantum Leap intends to reduce its holdings of no more than 1% of the company's shares

Palmread Technology (603533) announced on the evening of February 26 that Beijing Quantum Leap Technology Co., Ltd. (hereinafter referred to as "Quantum Leap"), a 6.23% shareholder of the company, intends to reduce the company's shares by a total of no more than 4.389 million shares (accounting for 1% of the company's total share capital) through centralized bidding within 3 months after 15 trading days.