Core Viewpoint - Dongguan Dingtong Precision Technology Co., Ltd. has announced a change in its continuous supervision sponsor representative due to personal work adjustments of the previous representative, ensuring ongoing compliance with regulatory requirements [1][2]. Group 1: Company Announcement - Dongguan Dingtong received a letter from Dongguan Securities regarding the change of its continuous supervision sponsor representative [1]. - The original representatives, Yuan Wei and Huang Bo, were responsible for the supervision work until December 31, 2024, but Huang Bo will be replaced by Bao Chunli due to personal reasons [1]. - The company expresses gratitude for Huang Bo's contributions during the IPO and supervision period [2]. Group 2: New Sponsor Representative Profile - Bao Chunli, the new sponsor representative, holds a master's degree in investment management from the Hong Kong University of Science and Technology and joined Dongguan Securities in 2015 [4]. - Bao has participated in various IPO projects and has extensive experience in investment banking, including projects for companies like Bangze Chuangke and Jiuliang Co., Ltd. [4].

Group 1 - The copper cable high-speed connection concept has seen a significant increase of 5.61%, making it the top-performing sector on the market, with 40 stocks rising, including notable gains from Yidong Electronics and Dingtong Technology, both reaching a 20% limit up [1] - Major inflows into the copper cable high-speed connection sector amounted to a net inflow of 1.837 billion yuan, with 26 stocks receiving net inflows, and 9 stocks exceeding 100 million yuan in net inflows, led by Tongyu Communication with a net inflow of 341 million yuan [1][2] - The top stocks by net inflow ratio include Changfei Fiber, Tongyu Communication, and Ruikeda, with net inflow ratios of 28.85%, 18.22%, and 12.41% respectively [2][3] Group 2 - The concept of copper cable high-speed connection has outperformed other sectors, with significant daily gains compared to sectors like genetically modified organisms and Alzheimer’s concepts, which saw declines of -1.81% and -1.07% respectively [1] - The trading volume and turnover rates for leading stocks in the copper cable high-speed connection sector indicate strong investor interest, with Tongyu Communication showing a turnover rate of 31.01% and a daily increase of 6.32% [2] - Other notable performers in the sector include Huafeng Technology and Shenglan Co., which recorded increases of 15.12% and 17.28% respectively, reflecting a robust market sentiment towards this sector [1][2]

证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交6.20亿元， 其中，买入成交额为2.84亿 元，卖出成交额为3.36亿元，合计净卖出5115.60万元。具体来看，今日上榜的前五大买入营业部中，有 2家机构专用席位现身，即买二、买四，买入金额分别为9226.72万元、2413.89万元，沪股通为第一大买 入营业部，买入金额为12258.80万元，营业部合计买入4546.77万元。卖出营业部中，有2家机构专用席 位现身，即卖一、卖三，卖出金额分别为14653.15万元、3749.51万元，沪股通为第二大卖出营业部，卖 出金额为11306.98万元，营业部合计卖出3852.14万元。买卖金额相抵，机构专用席位今日净卖出该股 6762.05万元，沪股通今日净买入该股951.82万元。 资金流向方面，该股今日全天主力资金净流入1.70亿元。（数据宝） 鼎通科技8月28日龙虎榜 | 买入营业部名称 | 买入金额(万元) | | --- | --- | | 沪股通专用 | 12258.80 | | 机构专用 | 9226.72 | | 海通证券股份有限公司扬州文昌东路证券营业部 | 2414.45 | | 机构专 ...

Group 1 - The core point of the article is the announcement by DingTong Technology regarding the change of its sponsor representative, with Dongguan Securities now responsible for the company's ongoing supervision work [2] Group 2 - The new sponsor representatives are Mr. Yuan Wei and Ms. Bao Chunli [2]

Market Performance - On August 28, the communication equipment sector rose by 8.82%, with DingTong Technology leading the gains [1] - The Shanghai Composite Index closed at 3843.6, up 1.14%, while the Shenzhen Component Index closed at 12571.37, up 2.25% [1] Top Gainers in Communication Equipment Sector - DingTong Technology (688668) closed at 127.36, up 20.00% with a trading volume of 152,500 shares [1] - Tianfu Communication (300394) closed at 180.01, up 20.00% with a trading volume of 665,700 shares [1] - Changxin Bochuang (300548) closed at 160.04, up 18.84% with a trading volume of 324,200 shares [1] - Other notable gainers include Dekeli (688205) at 116.77 (+15.60%), Xinyi Sheng (300502) at 354.95 (+15.12%), and Guangku Technology (300620) at 101.01 (+12.21%) [1] Market Capital Flow - The communication equipment sector saw a net inflow of 4.635 billion yuan from institutional investors, while retail investors experienced a net outflow of 1.494 billion yuan [2] - The overall market showed a mixed trend with significant inflows into leading stocks and outflows from others [2] Individual Stock Fund Flow - ZTE Corporation (000063) had a net inflow of 1.133 billion yuan from institutional investors, while retail investors saw a net outflow of 668 million yuan [3] - Xinyi Sheng (300502) recorded a net inflow of 1.08 billion yuan from institutional investors, with retail investors experiencing a net outflow of 642 million yuan [3] - Tianfu Communication (300394) had a net inflow of 669 million yuan from institutional investors, while retail investors faced a net outflow of 374 million yuan [3]

证券代码：688668 证券简称：鼎通科技 公告编号：2025-041 本公司董事会及全体董事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。 东莞市鼎通精密科技股份有限公司（以下简称"公司"）于近日收到东莞证券 股份有限公司（以下简称"东莞证券"）《关于变更东莞市鼎通精密科技股份有限 公司持续督导保荐代表人的函》。东莞证券作为公司 2022 年度向特定对象发行股 票项目的保荐机构，原委派袁炜先生、黄波先生为保荐代表人，负责保荐工作及 持续督导工作，持续督导期至 2024 年 12 月 31 日止。由于公司募集资金尚未使 用完毕，东莞证券继续履行相关持续督导义务。 现黄波先生由于个人工作调整原因，无法继续履行持续督导责任，为保证持 续督导工作的有序进行，东莞证券委派包春丽女士（简历见附件）接替黄波先生 担任公司持续督导期间的保荐代表人，继续履行对公司持续督导职责。 本次保荐代表人变更后，东莞证券负责公司持续督导工作的保荐代表人为袁 炜先生、包春丽女士。 东莞市鼎通精密科技股份有限公司 关于变更保荐代表人的公告 公司董事会对保荐代表人黄波先生在公司首次 ...

Group 1 - The core point of the article highlights the significant stock performance of DingTong Technology on the Sci-Tech Innovation Board, with a price increase of 20.00% [1] - As of August 28, the stock price reached 127.36 yuan, with a trading volume of 16.36 billion yuan and a turnover rate of 10.60% [1] - The stock experienced a volatility of 23.50%, with 253 stocks on the Sci-Tech Innovation Board rising, and 14 stocks increasing by over 10% [1] Group 2 - DingTong Technology reported a net inflow of 917.22 million yuan in the previous trading day, with a total net inflow of 9,558.16 million yuan over the last five days [1] - The latest margin trading data shows a total margin balance of 572 million yuan as of August 27, with an increase of 2.44 million yuan, representing a growth of 0.43% [1] - Over the past ten days, the total margin balance increased by 50.13 million yuan [1] Group 3 - The company achieved a revenue of 785 million yuan in the first half of the year, reflecting a year-on-year growth of 73.51% [1] - The net profit for the same period was 115 million yuan, marking a year-on-year increase of 134.06% [1] - Recently, one institution has given a buy rating for the stock, with a report from Changcheng Securities on August 4 recommending a buy [1]

Market Overview - The main funds in the Shanghai and Shenzhen markets experienced a net outflow of 68.855 billion yuan, with the Sci-Tech Innovation Board seeing a net outflow of 5.398 billion yuan [1] - A total of 249 stocks saw net inflows, while 337 stocks experienced net outflows [1] Sci-Tech Innovation Board Performance - On the Sci-Tech Innovation Board, 229 stocks rose, with two stocks, Kaipu Cloud and Electric Wind Power, hitting the daily limit, while 352 stocks declined [1] - Among the stocks with net inflows, 8 stocks had inflows exceeding 100 million yuan, with Zhongwei Company leading at 242 million yuan [1] Continuous Fund Flow - There are 58 stocks that have seen continuous net inflows for more than three trading days, with Sanyou Medical leading at 9 consecutive days of inflow [1] - Conversely, 116 stocks have experienced continuous net outflows, with Dongxin Shares and Haimeixing both seeing 11 consecutive days of outflow [1] Top Net Inflows - The top stocks by net inflow include Zhongwei Company (242.20 million yuan), Tuojing Technology (184.78 million yuan), and Dingtong Technology (157.29 million yuan) [1][2] - Other notable stocks with significant inflows include Daqian Energy (151.01 million yuan) and Haitian Ruisheng (150.97 million yuan) [1][2] Top Net Outflows - The stock with the highest net outflow is SMIC, which saw a net outflow of 610 million yuan and a decline of 2.17% [1] - Other stocks with significant outflows include Haiguang Information (555 million yuan) and Yuntian Leifeng (330 million yuan) [1] Fund Flow Rates - The fund inflow rates for the top stocks range from 0.63% to 31.99%, with Kaipu Cloud having the highest rate at 31.99% [2][3] - The turnover rates for these stocks vary, with some stocks like Yitang Technology reaching as high as 27.32% [1][2]

Company Performance - As of August 25, 2025, Dingtong Technology (688668) closed at 106.12 yuan, with a slight increase of 0.44% and a turnover rate of 6.95% [1] - The latest financial results show total revenue of 785 million yuan, representing a year-on-year growth of 73.51%, and a net profit attributable to shareholders of 115 million yuan, up 134.06% year-on-year [1] - The company's non-recurring net profit reached 107 million yuan, reflecting a year-on-year increase of 137.34% [1] - Key financial ratios include a current ratio of 3.505, a quick ratio of 2.653, and a debt-to-asset ratio of 21.22% [1] Investment and Business Activities - Dingtong Technology has made investments in 4 external companies and participated in 17 bidding projects [2] - The company holds 4 trademark registrations and 151 patents, along with 25 administrative licenses [2] Market Activity - The net inflow of main funds today was 22.99 million yuan, accounting for 2.27% of the total transaction amount [1] - Large orders saw a net inflow of 24.98 million yuan, while super large orders experienced a net outflow of 1.99 million yuan [1]

Investment Rating - The report maintains a "Buy" rating for multiple stocks in the communication and robotics sectors, indicating a positive outlook for these industries [1]. Core Insights - The robotics industry is experiencing multi-dimensional catalysts, with significant investment opportunities in the related supply chain. Recent events, such as the World Robotics Conference and the World Humanoid Robot Games, showcase advancements in robot capabilities and interactions [2][3][40]. - The demand for high computing power driven by AI is expected to continue rising, with a focus on domestic computing chip industries. The release of DeepSeek-V3.1 highlights improvements in efficiency and performance, indicating a strong future for domestic AI chip development [4][20][41]. Summary by Sections Robotics Industry - The World Robotics Conference held in August 2025 in Beijing featured over 200 leading companies and showcased more than 1500 exhibits, emphasizing the ongoing technological advancements in robotics [2][24]. - The World Humanoid Robot Games included participation from 28 teams across 16 countries, demonstrating the competitive landscape and innovation in humanoid robotics [2][33]. - Domestic leaders like Zhiyuan Robotics and Yushun Technology are pushing for significant advancements, with goals to deploy over 100,000 general-purpose robots in the next three years [3][19][40]. AI and Computing Chips - The launch of DeepSeek-V3.1 on August 21, 2025, introduced a hybrid reasoning architecture that enhances both thinking and non-thinking modes, improving efficiency and agent capabilities [20][41]. - The new model's performance metrics show a significant increase in efficiency, with a 40% improvement in energy efficiency for domestic chips in reasoning scenarios [22][46]. - The report highlights the increasing domestic demand for computing power, driven by geopolitical factors and the need for stable supply chains, suggesting a robust future for domestic computing infrastructure [8][49][56]. Market Performance - The communication sector index rose by 10.84% during the week of August 18-22, 2025, outperforming the broader market, which indicates strong investor confidence in the sector [13][14]. - The report recommends a diverse range of stocks across various segments, including telecommunications, AI, and robotics, reflecting a comprehensive investment strategy [9][23].