Group 1 - The concept of battery swapping continues to gain strength, with companies such as Kuan She Co., Ltd. and Zhongheng Electric both hitting the daily limit up [1] - Other companies including Ruikeda, Chaojie Co., Youfang Technology, Power Source, Maoshuo Power, and Tonghe Technology also experienced significant increases in stock prices [1]

证券时报·数据宝统计，截至发稿，勘设股份收盘价为9.60元，下跌3.61%，本期筹码集中以来股价累计 上涨4.46%。具体到各交易日，6次上涨，4次下跌。 勘设股份8月14日披露，截至8月10日公司股东户数为16206户，较上期（7月31日）减少1167户，环比降 幅为6.72%。 7月15日公司发布上半年业绩预告，预计实现净利润-1.08亿元至-9030.00万元，变动区间 为-39.05%~-15.88%。（数据宝） （文章来源：证券时报网） 公司发布的一季报数据显示，一季度公司共实现营业收入2.57亿元，同比下降2.12%，实现净利 润-1950.18万元，同比增长33.06%，基本每股收益为-0.0600元。 ...

Group 1 - Hewei Electric achieved a net profit of 243 million yuan in the first half of 2025, a year-on-year increase of 56.79% [1] - The company reported a revenue of 1.884 billion yuan, representing a year-on-year growth of 36.39% [1] - Hewei Electric specializes in the sales of wind power converters and photovoltaic inverters, along with related services [1] Group 2 - Jidian Co. received approval for a 1507.93 MW wind power project, increasing its approved project capacity to 1607.93 MW, over 10% of last year's total installed capacity [2] - The company focuses on the research, production, and sales of thermal power, hydropower, and renewable energy [2] Group 3 - Nanya New Materials reported a net profit of 87.19 million yuan in the first half of 2025, a year-on-year increase of 57.69% [2] - The company achieved a revenue of 2.305 billion yuan, reflecting a year-on-year growth of 43.06% [2] - Nanya specializes in the design, research, production, and sales of copper-clad laminates and bonding sheets [2] Group 4 - Rongzhi Rixin reported a net profit of 14.24 million yuan in the first half of 2025, a significant year-on-year increase of 2063.42% [2] - The company achieved a revenue of 256 million yuan, representing a year-on-year growth of 16.55% [2] - Rongzhi Rixin provides intelligent operation and maintenance solutions for industrial equipment [3] Group 5 - Jiasheng Group reported a net profit of 142 million yuan in the first half of 2025, a year-on-year decrease of 14.46% [4] - The company achieved a revenue of 1.171 billion yuan, showing a slight year-on-year growth of 0.19% [4] - Jiasheng specializes in the production and manufacturing of knitted sportswear [4] Group 6 - Lidong Group's subsidiary received project approvals for aluminum alloy wheels from international automotive manufacturers, with expected sales of approximately 1.643 billion yuan over the project duration [5][6] - The company focuses on the research, manufacturing, and sales of aluminum alloys and related products [6] Group 7 - Jianglong Shipbuilding won a bid for a 78.55 million yuan infrastructure project in the marine economic development zone [7] - The project has a duration of 540 days and involves the design, research, production, and sales of various types of boats [7] Group 8 - Liyuan Information reported a net profit of 96.13 million yuan in the first half of 2025, a year-on-year increase of 65.79% [31] - The company achieved a revenue of 4.034 billion yuan, reflecting a year-on-year growth of 17.46% [31] - Liyuan specializes in the distribution of electronic components and the development of smart grid products [31] Group 9 - Baijie Shenzhou reported a net profit of 450 million yuan in the first half of 2025, reversing a loss of 287.7 million yuan from the previous year [32] - The company achieved total revenue of 17.518 billion yuan, a year-on-year increase of 46% [32] - Baijie Shenzhou focuses on the research, development, production, and commercialization of innovative drugs [32] Group 10 - Xianhe Co. plans to invest 11 billion yuan in a new integrated high-performance paper-based material project [34] - The project will include the construction of production lines for bamboo pulp and high-performance paper-based materials [34] Group 11 - Zhongchuan Technology's subsidiary plans to invest approximately 5.712 billion yuan in a 1.3 million kilowatt wind power project [35] - The company specializes in wind turbine manufacturing and related engineering services [35] Group 12 - Source Technology received a purchase order worth 1.415 billion yuan for high-power laser chips [20] - The company focuses on the research, design, production, and sales of optical chips [21]

Core Viewpoint - On August 6, no A-share listed companies disclosed any increase in shareholding, while 23 companies announced share reductions by their shareholders [1] Summary by Category Share Reduction Details - Keri Technology: Shareholders plan to reduce their holdings by no more than 3.03% of the company's shares [2] - Tianhe Co.: Director and senior management member Luo Xuanbin plans to reduce holdings by no more than 0.15% [2] - Mind Electronics: Shareholders intend to reduce holdings by no more than 4% of the total share capital [2] - Maidi Technology: Shareholder Wang Jianhua plans to reduce holdings by no more than 0.2321% [2] - Tianneng Heavy Industry: Specific shareholder Zheng Xu plans to reduce holdings by no more than 30.0845 million shares [2] - Kabeiyi: Directors and senior management plan to reduce their holdings [2] - Jingsheng Co.: Shareholder Xinrui Jicheng plans to reduce holdings by no more than 3% [2] - Anlian Ruishi: Huiwen Tianfu and Qi Liang plan to reduce a total of no more than 700,000 shares [2] - Lichang Food: Shareholders Li Gao Xing and Li Gao Chuang plan to reduce their holdings [2] - Shuyuan Pingmin: Controlling shareholder plans to reduce holdings by no more than 2% [2] - Qianhong Pharmaceutical: Shareholders holding more than 5% plan to reduce holdings by no more than 2.09 million shares [2] - Zhongsheng Pharmaceutical: Director and executive Long Chunhua plans to reduce holdings by no more than 900,000 shares [2] - Kangqiang Electronics: Shareholder Si Maishi plans to reduce holdings by no more than 1% [2] - Pulutong: Shareholders plan to reduce holdings by no more than 0.98% [2] - Binhua Co.: Shareholder Zhang Zhongzheng plans to reduce holdings by no more than 0.8211% [2] - Kanshe Co.: Five individual shareholders plan to reduce holdings by no more than 0.99% [2] - Haoyuan Pharmaceutical: Su Xin Fund plans to reduce holdings by no more than 3% [2] - Diweier: Shareholders plan to reduce holdings by no more than 0.82% [2] - Dongfang Guoxin: Controlling shareholder reduced holdings by 2.68 million shares on August 5 [2] - Feilin Geer: During stock price fluctuations, CEO Liu Dunyin reduced holdings by 8,600 shares [2] - Yongxin Optical: Angao International plans to reduce holdings by no more than 200,000 shares [2] - Wuzhou Special Paper: Controlling shareholder's concerted action plans to reduce holdings by no more than 0.36% [2] - Tianyang New Materials: Zhuhai Hengqin Caidong Fund plans to reduce holdings by no more than 3% [2]

勘设股份（603458）(603458.SH)发布公告，股东薛淑华、马平均、田小波、杨胜波、杨培因个人资金 需求，计划自本公告披露之日起15个交易日后的3个月内，通过集中竞价方式减持其所持公司股份，合 计不超过301.99万股(含本数)，即不超过公司目前总股本的0.99%，减持价格将按照减持实际实施时的市 场价格确定。 ...

证券代码：603458 证券简称：勘设股份 公告编号：2025-039 董事、监事和高级管理人员 □是 √否 其他：5%以下股东 持股数量 300,000股 持股比例 0.10% 当前持股股份来源 其他方式取得：300,000股 股东名称 杨培 控股股东、实控人及一致行动人 □是 √否 直接持股 5%以上股东 □是 √否 股东身份 董事、监事和高级管理人员 □是 √否 其他：5%以下股东 持股数量 291,972股 持股比例 0.095% 当前持股股份来源 其他方式取得：291,972股 上述减持主体无一致行动人。 二、减持计划的主要内容 股东名称 薛淑华 计划减持数量 不超过：400,000 股 计划减持比例 不超过：0.13% 减持方式及对应减持数量 集中竞价减持，不超过：400,000 股 减持期间 2025 年 8 月 29 日～2025 年 11 月 28 日 拟减持股份来源 IPO 前取得 拟减持原因 个人资金需求 股东名称 马平均 计划减持数量 不超过：1,387,533 股 计划减持比例 不超过：0.45% 减持方式及对应减持数量 集中竞价减持，不超过：1,387,533 股 减持期间 202 ...

1 证券代码：603458 证券简称：勘设股份 公告编号：2025-039 贵州省交通规划勘察设计研究院股份有限公司 持股 5%以下股东减持股份计划公告 本公司董事会、全体董事及相关股东保证本公告内容不存在任何虚假记载、 误导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示： 股东持股基本情况：股东薛淑华、马平均、田小波、杨胜波、杨培共 5 名自然人股东，系贵州省交通规划勘察设计研究院股份有限公司（以下简称"公 司"）首次公开发行前持有公司股票的前 28 名股东（该部分股东为公司持股 5% 以下股东，非公司现任董监高人员），其在公司首次公开发行时承诺：本人持有 公司股份的锁定期限届满后，本人减持直接或间接所持公司股份时，应提前将减 持意向和拟减持数量等信息以书面方式通知公司，并由公司及时予以公告。截至 本公告披露日，股东薛淑华、马平均、田小波、杨胜波、杨培合计持有公司股份 总数 4,941,629 股，占公司总股本的 1.61%。 减持计划的主要内容：股东薛淑华、马平均、田小波、杨胜波、杨培因 个人资金需求，计划自本公告披露之日起 15 个交易日后的 3 个月内，通过集中 竞 ...

Group 1 - The core point of the article is that shareholders of the company, including Xue Shuhua, Ma Pingjun, Tian Xiaobo, Yang Shengbo, and Yang Pei, plan to reduce their holdings due to personal financial needs [1] - The total number of shares to be reduced is up to 3.0199 million shares, which accounts for no more than 0.99% of the company's current total share capital [1]

[2025 Semi-Annual Pre-loss Announcement](index=1&type=section&id=Guizhou%20Provincial%20Transportation%20Planning%2C%20Survey%20%26%20Design%20Institute%20Co.%2C%20Ltd.%202025%20Semi-Annual%20Pre-loss%20Announcement) This announcement details the company's projected significant net loss for the first half of 2025, outlining the financial estimates, comparative prior period performance, and key contributing factors [Current Period Performance Forecast](index=1&type=section&id=I.%20Current%20Period%20Performance%20Forecast) The company anticipates a significant net loss for the first half of 2025, with net profit attributable to shareholders projected between **-108.36 million Yuan** and **-90.30 million Yuan**, and non-recurring net profit between **-109.80 million Yuan** and **-91.50 million Yuan**, based on unaudited preliminary estimates 2025 Semi-Annual Performance Forecast | Indicator | Estimated Amount (million Yuan) | | :--- | :--- | | Net Profit Attributable to Shareholders | -108.36 to -90.30 | | Net Profit Attributable to Shareholders (Excluding Non-recurring Items) | -109.80 to -91.50 | - This performance forecast represents preliminary data from the company's finance department and has not been audited by a certified public accountant[3](index=3&type=chunk)[8](index=8&type=chunk) [Prior Period Performance Overview](index=1&type=section&id=II.%20Prior%20Period%20Performance%20Overview) Compared to the same period in 2024, the company's projected loss for the first half of 2025 has widened, with the net loss attributable to shareholders in H1 2024 being **77.93 million Yuan** 2025 H1 Performance Forecast vs. 2024 H1 Performance Comparison | Indicator | Jan-Jun 2025 (Estimated) | Jan-Jun 2024 (Actual) | | :--- | :--- | :--- | | Net Profit Attributable to Shareholders (million Yuan) | -108.36 to -90.30 | -77.93 | | Net Profit Attributable to Shareholders (Excluding Non-recurring Items) | -109.80 to -91.50 | -78.59 | | Earnings Per Share (Yuan) | Not Applicable | -0.25 | [Primary Reasons for Current Period's Pre-loss](index=1&type=section&id=III.%20Primary%20Reasons%20for%20Current%20Period%27s%20Pre-loss) The pre-loss is primarily due to reduced new projects and intensified market competition impacting revenue growth, a shift in business structure towards lower-margin activities, and increased credit impairment losses - Main business impact: Influenced by macroeconomic conditions and market supply-demand changes, newly initiated infrastructure projects decreased, and market competition intensified, resulting in no significant growth in the company's operating revenue compared to the same period last year[5](index=5&type=chunk)[6](index=6&type=chunk) - Gross margin decline: The proportion of lower-gross-margin engineering contracting business within the company's main business composition increased compared to the same period last year, leading to an overall gross margin decrease[6](index=6&type=chunk) - Other impacts: Credit impairment losses accrued during the current reporting period increased compared to the same period last year[6](index=6&type=chunk) [Risk Warning](index=2&type=section&id=IV.%20Risk%20Warning) As of the announcement date, the company confirms no significant uncertainties exist that would affect the accuracy of this performance forecast - As of the date of this announcement, the company confirms no significant uncertainties exist that would affect the accuracy of this performance forecast[7](index=7&type=chunk) [Other Relevant Information](index=2&type=section&id=V.%20Other%20Relevant%20Information) The company emphasizes that this forecast is based on unaudited preliminary calculations, with final data subject to the official 2025 semi-annual report, advising investors to exercise caution - The above forecast data represents preliminary calculations by the company's finance department and has not been audited; the final accurate data will be subject to the company's officially disclosed 2025 semi-annual report[8](index=8&type=chunk)

Core Viewpoint - The company expects a net profit attributable to shareholders of the listed company to be between -108 million and -90.3 million yuan for the first half of 2025, indicating a significant loss compared to previous periods [1] Financial Performance - The net profit excluding non-recurring gains and losses is projected to be between -110 million and -91.5 million yuan for the same period [1] - The increase in the proportion of low-margin engineering contracting business compared to the same period last year has led to a decline in overall gross margin [1] Impairment and Losses - The company has reported an increase in credit impairment losses compared to the same period last year [1]