Group 1: Share Buybacks and Increases - Jiangsu Shentong plans to continue increasing its shareholding by 100 million to 155 million yuan [3] - Pingmei Shenhua's directors and senior management plan to increase their shareholding [3] - CATL has repurchased a total of 15.99 million A-shares as of November 30 [3] - Lanke Technology has repurchased a total of 1.505 million A-shares as of November 30 [3] - Century Huatong has made its first share purchase amounting to 499.95 million yuan [3] Group 2: Share Reductions - Youyou Foods' shareholder plans to reduce holdings by no more than 0.26% [5] - *ST Wanfang's shareholder plans to reduce holdings by no more than 3% [5] - Yaxin Security's shareholders plan to collectively reduce holdings by no more than 1.75% [5] - Bixingsource reduced its holdings by 177,700 shares from December 1 to December 2 [5] - Pioneering Technology's shareholder plans to reduce holdings by no more than 3% [5] - Northern Shares' shareholder plans to reduce holdings by no more than 3% [5] - Tianfu Communication's executives plan to collectively reduce holdings by no more than 475,000 shares [5] - Luguan Technology's shareholder plans to reduce holdings by no more than 2% [5] - Xince Standards' shareholder plans to reduce holdings by no more than 2.77% [5] - Meili Technology's shareholder plans to reduce holdings by no more than 1.11% [5] - Rongneng Technology's shareholder has reduced holdings by 1.5 million shares as of December 1, 2025 [5] - Fuhui Technology's senior management plans to reduce holdings by no more than 0.74% [5] - Hefei China’s largest shareholder plans to reduce holdings by no more than 2% [5]

证券代码：688671 证券简称：碧兴物联 公告编号：2025-050 碧兴物联科技（深圳）股份有限公司 关于持股 5%以上股东权益变动触及 1%刻度的 提示性公告 公司持股 5%以上股东北京碧水源科技股份有限公司保证向本公司提供的信息真 实、准确、完整，没有虚假记载、误导性陈述或重大遗漏。 本公司董事会及全体董事保证公告内容与信息披露义务人提供的信息一致。 重要内容提示： | 权益变动方向 | 比例增加□ | 比例减少☑ | | --- | --- | --- | | 权益变动前合计比例 | 11.23% | | | 权益变动后合计比例 | 11.00% | | | 本次变动是否违反已作出的承诺、意向、计划 | 是□ | 否☑ | | 是否触发强制要约收购义务 | 是□ | 否☑ | 一、 信息披露义务人及其一致行动人的基本信息 3、本次权益变动不涉及披露权益变动报告书。 1.身份类别 投资者及其一致行动人的身份 □控股股东/实际控制人及其一致行动人 ☑其他 5%以上大股东及其一致行动人 □合并口径第一大股东及其一致行动人（仅适用 于无控股股东、实际控制人） □其他______________（请注明） 2 ...

Core Viewpoint - The company Bixing Wulian (688671.SH) announced a share reduction plan by its major shareholder, Biyuanyuan, which has led to a decrease in its shareholding percentage in the company [1] Group 1: Shareholder Actions - Biyuanyuan reduced its holdings by 177,700 shares from December 1 to December 2, 2025, representing 0.23% of the company's total share capital [1] - The total number of shares held by Biyuanyuan decreased from 8.8148 million shares to 8.6371 million shares, reducing its ownership stake from 11.23% to 11.00% [1] - The reduction in shareholding has triggered a notification as it touched the 1% threshold [1]

Core Points - The company Bixing Wulian (688671.SH) announced that its major shareholder, Beijing Biyuanyuan Technology Co., Ltd. (300070), reduced its stake in the company by selling a total of 177,732 shares through centralized bidding from December 1 to December 2, 2025, which represents 0.23% of the company's total share capital [1] Summary by Category - **Shareholder Activity** - Major shareholder Beijing Biyuanyuan Technology Co., Ltd. reduced its holdings in Bixing Wulian by 177,732 shares [1] - The reduction in shares occurred over a two-day period, specifically from December 1 to December 2, 2025 [1] - The total shares sold accounted for 0.23% of Bixing Wulian's total share capital [1]

Market Performance - The Sci-Tech 50 Index fell by 1.24%, closing at 1320.16 points, with a total trading volume of 3.032 billion shares and a turnover of 141.525 billion yuan, resulting in a weighted average turnover rate of 1.58% [1] - Among the tradable stocks on the Sci-Tech board, 102 stocks closed higher, with 2 stocks rising over 10% and 5 stocks rising between 5% and 10%. Conversely, 481 stocks closed lower, with 1 stock declining over 10% [1] Turnover Rate Analysis - The turnover rate distribution shows that 3 stocks had a turnover rate exceeding 20%, 13 stocks had a turnover rate between 10% and 20%, and 41 stocks had a turnover rate between 5% and 10%. Additionally, 290 stocks had a turnover rate between 1% and 3%, while 189 stocks had a turnover rate below 1% [1] - The stock with the highest turnover rate was Aerospace Huanyu, which closed down 4.82% with a turnover rate of 30.29% and a transaction amount of 1.16 billion yuan. Other notable stocks included Hengkun New Materials and Yunzhu Technology, with turnover rates of 24.48% and 20.04%, respectively [1] Stock Performance - Among stocks with a turnover rate exceeding 5%, 21 stocks rose today, with the highest increases seen in Hongwei Technology (up 15.85%), Aike Saibo (up 15.06%), and Bixing Wulian (up 8.99%). Conversely, the largest declines were in Yunzhu Technology (down 20.00%), Pingao Co. (down 9.62%), and Chaozhuo Hangke (down 7.72%) [2] - In terms of industry performance, the electronics sector had the most stocks with a turnover rate exceeding 5%, totaling 20 stocks, followed by the computer and power equipment sectors with 10 and 8 stocks, respectively [2] Capital Flow - Among high turnover stocks, 23 stocks experienced net inflows of main funds, with the largest inflows in Baiwei Storage (190 million yuan), Hongwei Technology (134 million yuan), and Wanrun New Energy (126 million yuan). Conversely, the largest net outflows were seen in Tengjing Technology (223 million yuan), Yunzhu Technology (196 million yuan), and Aters (161 million yuan) [2] - Regarding leveraged funds, 36 stocks received net purchases of leveraged funds recently, with Baiwei Storage, Dekeli, and Tengjing Technology seeing the largest increases in financing balances of 348 million yuan, 331 million yuan, and 248 million yuan, respectively. In contrast, Aike Saibo, Heyuan Bio, and Guangyun Technology experienced the largest decreases in financing balances [2] Notable Stocks on December 2 - Key stocks with high turnover rates included Aerospace Huanyu (closing price 39.86 yuan, down 4.82%, turnover rate 30.29%, net inflow 8.99 million yuan), Hengkun New Materials (closing price 49.88 yuan, down 3.89%, turnover rate 24.48%, net outflow 56.93 million yuan), and Yunzhu Technology (closing price 41.04 yuan, down 20.00%, turnover rate 20.04%, net outflow 195.62 million yuan) [3][4]

Market Overview - On December 2, the environmental equipment sector declined by 0.16% compared to the previous trading day, with Henghe Co., Ltd. leading the decline [1] - The Shanghai Composite Index closed at 3897.71, down 0.42%, while the Shenzhen Component Index closed at 13056.7, down 0.68% [1] Stock Performance - Notable gainers in the environmental equipment sector included: - Bixing Wulian (688671) with a closing price of 25.21, up 8.99% [1] - Meiai Technology (688376) with a closing price of 46.00, up 5.14% [1] - Chuangyuan Technology (000551) with a closing price of 10.92, up 1.30% [1] - Major decliners included: - Henghe Co., Ltd. (920145) with a closing price of 22.56, down 5.25% [2] - Jiuwu Gaoke (300631) with a closing price of 29.20, down 3.25% [2] - Huahong Technology (002645) with a closing price of 14.45, down 3.09% [2] Capital Flow - The environmental equipment sector experienced a net outflow of 59.37 million yuan from institutional investors, while retail investors saw a net inflow of 55.72 million yuan [2] - The overall capital flow for key stocks in the sector showed: - Bixing Wulian (688671) had a net inflow of 10.93 million yuan from institutional investors [3] - Chuangyuan Technology (000551) had a net inflow of 6.07 million yuan from institutional investors [3] - Meiai Technology (688376) had a net inflow of 4.14 million yuan from institutional investors [3]

Core Insights - The environmental equipment sector experienced a slight increase of 0.25% on November 28, with Bixing Wulian leading the gains [1] - The Shanghai Composite Index closed at 3888.6, up 0.34%, while the Shenzhen Component Index closed at 12984.08, up 0.85% [1] Stock Performance - Bixing Wulian (688671) closed at 22.98, with a rise of 3.10% and a trading volume of 8220.52 hands, amounting to a transaction value of 18.49 million [1] - Other notable performers included: - Yami Co., Ltd. (603282) at 20.11, up 2.81% [1] - Lihua Technology (300800) at 12.11, up 2.54% [1] - Longyuan Technology (300105) at 7.68, up 2.40% [1] - Yanpai Co., Ltd. (301081) at 11.25, up 2.27% [1] Capital Flow - The environmental equipment sector saw a net outflow of 96.02 million from institutional investors, while retail investors contributed a net inflow of 89.54 million [2] - The sector's capital flow indicates a mixed sentiment, with institutional investors withdrawing funds while retail investors increased their positions [2] Individual Stock Capital Flow - Yingfeng Environment (000967) had a net inflow of 14.91 million from institutional investors, but a net outflow of 8.64 million from speculative funds [3] - Yanpai Co., Ltd. (301081) experienced a net inflow of 3.74 million from institutional investors, while speculative funds saw a net outflow of 4.65 million [3] - Yami Co., Ltd. (603282) had a net inflow of 1.34 million from institutional investors, with a slight outflow from speculative funds [3]

Core Insights - The environmental equipment sector saw a 0.4% increase on November 27, with *ST Jieneng leading the gains [1] - The Shanghai Composite Index closed at 3875.26, up 0.29%, while the Shenzhen Component Index closed at 12875.19, down 0.25% [1] Environmental Equipment Sector Performance - *ST Jieneng (000820) closed at 3.48, up 3.88% with a trading volume of 171,000 shares and a turnover of 57.64 million yuan [1] - Other notable performers included: - Chuhuan Technology (001336) at 25.50, up 2.49% [1] - Meike Technology (688376) at 44.43, up 2.37% [1] - Yanpai Co., Ltd. (301081) at 11.00, up 1.66% [1] - Hengying Environmental (688309) at 23.63, up 1.63% [1] Capital Flow Analysis - The environmental equipment sector experienced a net outflow of 15.05 million yuan from institutional investors and 28.43 million yuan from retail investors, while retail investors saw a net inflow of 43.47 million yuan [2] - Specific stock capital flows included: - Longjing Environmental (600388) with a net inflow of 10.96 million yuan from institutional investors [3] - Zhongcai Energy (603126) with a net inflow of 5.08 million yuan from institutional investors [3] - *ST Jieneng (000820) with a net inflow of 3.08 million yuan from institutional investors [3]

Core Insights - The collaboration between Bixing Wulian and Baidu marks a new phase in their partnership, focusing on the development of innovative AI products for water quality monitoring [3][4] - The "Water Station Smart Control AI Decision-Making Brain" represents a paradigm shift from using AI as a tool to having AI lead operations, enhancing the intelligence of water quality monitoring [3] - The joint efforts will also include the development of a vertical large model named "Bixing Zhikan" for ecological monitoring, further expanding the application of AI technology in environmental protection [4] Group 1 - The signing of the product co-creation cooperation agreement took place on November 24, with representatives from both companies present [1] - Since February, the technical teams from both companies have engaged in multiple rounds of communication, leading to the establishment of a joint development team in July [3] - The new product integrates Baidu's Wenxin large model and PaddlePaddle deep learning platform with Bixing Wulian's industry experience in water quality monitoring [3] Group 2 - The design philosophy of the new product revolves around a closed loop of "perception-analysis-decision-execution," enabling intelligent management of the entire water quality monitoring process [3] - The collaboration aligns with national efforts to modernize the ecological environment monitoring system, providing an innovative model for the digital transformation of the environmental protection industry [4] - Both companies expressed their commitment to deepening strategic cooperation to promote the widespread application of AI technology in the environmental sector [4]

Core Insights - Bixing IoT Technology and Baidu Netcom Technology have established a product co-creation partnership to promote AI-enabled smart water quality monitoring [1] - The collaboration aims to develop an innovative product called "Water Station Smart Control AI Decision-Making Brain," transitioning from AI tools to AI-driven operations [1] - The product leverages Baidu's Wenxin large model and PaddlePaddle deep learning platform, combined with Bixing IoT's industry experience, to provide intelligent solutions for enhancing water quality monitoring [1] - Additionally, both parties have developed a vertical large model for ecological monitoring named "Bixing Smart Vision," supporting the digital transformation of the environmental protection industry [1] - The companies plan to deepen their collaboration to further advance the application of AI technology in the environmental protection sector [1]