Market Overview - On September 12, the rubber sector declined by 0.61%, with Li Tong Technology leading the drop [1] - The Shanghai Composite Index closed at 3883.69, up 0.22%, while the Shenzhen Component Index closed at 12996.38, up 0.13% [1] Stock Performance - Notable gainers in the rubber sector included: - Yanggu Huatai (300121) with a closing price of 15.74, up 5.85% and a trading volume of 245,100 shares, totaling 372 million yuan [1] - Yuanxiang New Materials (301300) closed at 40.88, up 1.49% with a trading volume of 8,829 shares, totaling 35.86 million yuan [1] - Zhen'an Technology (300767) closed at 22.26, up 1.37% with a trading volume of 142,900 shares, totaling 316 million yuan [1] Fund Flow Analysis - The rubber sector experienced a net outflow of 7.28 million yuan from main funds, while retail funds saw a net inflow of 48.35 million yuan [2] - The overall net outflow from retail investors was 41.07 million yuan [2] Individual Stock Fund Flow - Key stocks with significant fund flow included: - Yanggu Huatai (300121) had a main fund net inflow of 29.59 million yuan, while retail investors had a net outflow of 24.07 million yuan [3] - Zhen'an Technology (300767) saw a main fund net inflow of 18.52 million yuan, with retail investors experiencing a net outflow of 19.85 million yuan [3] - Longxing Technology (002442) had a main fund net inflow of 4.65 million yuan, while retail investors had a net outflow of 2.56 million yuan [3]

Group 1 - The event titled "Micromeritics BET Analyzer Carbon Black and Tire Industry Application Seminar and LianKe Technology Silica Carbon Black BET Testing Demonstration Center Inauguration" was held on September 10-11, 2025, in collaboration with Micromeritics/ Malvern Panalytical, Shandong LianKe Technology Co., Ltd., and Qingdao FJ Technology Co., Ltd. [2] - The rapid growth of the Chinese automotive industry presents significant opportunities for the tire industry, with a focus on improving tire quality and lifespan becoming a core issue for related companies [2] - Carbon black, as a key raw material, directly influences the lifespan and performance of tires through its specific surface area and particle size distribution [2] Group 2 - Engineers at the seminar shared technical insights on BET and t-plot theory, characterization techniques for carbon black materials, and analysis of low specific surface materials [2] - The seminar included detailed explanations of data analysis and software operation for the BET analyzer, as well as daily maintenance of the Tristar Plus 3030 [2] - LianKe Technology aims to enhance its R&D innovation capabilities and optimize the performance of its silica and carbon black products, leveraging technology and quality to accelerate market expansion and deepen collaboration and innovation among customers [2]

Market Performance - The rubber sector increased by 1.93% on September 11, with Zhen'an Technology leading the gains [1] - The Shanghai Composite Index closed at 3875.31, up 1.65%, while the Shenzhen Component Index closed at 12979.89, up 3.36% [1] Stock Performance - Zhen'an Technology (300767) closed at 21.96, with a rise of 7.70% and a trading volume of 264,100 shares, amounting to a transaction value of 573 million yuan [1] - Other notable performers include: - Kexin New Source (300731) at 47.78, up 6.15% with a transaction value of 640 million yuan [1] - Tongcheng New Materials (603650) at 34.89, up 3.29% with a transaction value of 436 million yuan [1] Fund Flow Analysis - The rubber sector saw a net inflow of 16.96 million yuan from institutional investors, while retail investors contributed a net inflow of 40.18 million yuan [2] - Notably, Zhen'an Technology experienced a net inflow of 56.88 million yuan from institutional investors, despite a net outflow of 58.88 million yuan from retail investors [2] - Kexin New Source had a net inflow of 16.81 million yuan from institutional investors, with retail investors contributing a net inflow of 12.55 million yuan [2]

Market Overview - The rubber sector experienced a decline of 0.34% on September 10, with Sanwei Equipment leading the drop [1] - The Shanghai Composite Index closed at 3812.22, up 0.13%, while the Shenzhen Component Index closed at 12557.68, up 0.38% [1] Stock Performance - Notable gainers in the rubber sector included: - Kexin New Source (300731) with a closing price of 45.01, up 4.38% and a trading volume of 136,100 shares, totaling 613 million yuan [1] - Tiantian Technology (300587) closed at 8.96, up 2.28% with a trading volume of 422,500 shares, totaling 376 million yuan [1] - Significant decliners included: - Sanwei Equipment (831834) which closed at 15.79, down 7.93% with a trading volume of 70,100 shares, totaling 113 million yuan [2] - Quancheng Shares (605183) closed at 20.55, down 3.20% with a trading volume of 29,600 shares, totaling 61.52 million yuan [2] Capital Flow - The rubber sector saw a net inflow of 13.648 million yuan from institutional investors, while retail investors contributed a net inflow of 56.306 million yuan [2] - However, speculative funds experienced a net outflow of 69.9536 million yuan [2] Individual Stock Capital Flow - Kexin New Source (300731) had a net inflow of 49.3875 million yuan from institutional investors, while it faced a net outflow of 23.2366 million yuan from speculative funds [3] - Sanwei Shares (603033) recorded a net inflow of 10.5857 million yuan from institutional investors, with a net outflow of 9.2531 million yuan from speculative funds [3] - Other notable stocks included: - Lian Ke Technology (001207) with a net inflow of 9.0254 million yuan from institutional investors [3] - Shuangjian Shares (002381) faced a net outflow of 1.8029 million yuan from institutional investors [3]

格隆汇9月9日丨联科科技(001207.SZ)在互动平台表示，导电炭黑可用于电子级和固态电池级业务领 域，公司已筹划固态电池业务，并已有相应进展，同时，公司将积极探索电子级市场领域。关于技术储 备，公司己在导电炭黑等领域完成了较为深厚的技术积累，并拥有相关发明专利。 ...

联科科技在互动平台表示，导电炭黑可用于电子级和固态电池级业务领域，公司已筹划固态电池业务， 并已有相应进展，同时，公司将积极探索电子级市场领域。关于技术储备，公司己在导电炭黑等领域完 成了较为深厚的技术积累，并拥有相关发明专利。 ...

Market Overview - On September 5, the rubber sector increased by 3.75% compared to the previous trading day, with Sanwei Equipment leading the gains [1] - The Shanghai Composite Index closed at 3812.51, up 1.24%, while the Shenzhen Component Index closed at 12590.56, up 3.89% [1] Stock Performance - Key stocks in the rubber sector showed significant gains, with Sanwei Equipment rising by 9.75% to a closing price of 15.99, and Tian Tie Technology increasing by 6.39% to 8.82 [1] - Other notable performers included Heimao Co. at 11.40 (+6.34%), Kexin New Source at 47.42 (+6.04%), and Sanwei Co. at 13.29 (+5.31%) [1] Trading Volume and Capital Flow - The trading volume for Sanwei Equipment was 71,200 shares, with a transaction value of 111 million yuan, while Tian Tie Technology had a volume of 692,500 shares and a transaction value of 601 million yuan [1] - The rubber sector experienced a net outflow of 5.28 million yuan from institutional investors and 41.84 million yuan from speculative funds, while retail investors saw a net inflow of 47.12 million yuan [1] Capital Flow Analysis - Tian Tie Technology had a net inflow of 50.17 million yuan from institutional investors, while it faced a net outflow of 35.93 million yuan from speculative funds [2] - Heimao Co. also saw a net inflow of 28.30 million yuan from institutional investors, with a net outflow of 13.92 million yuan from speculative funds [2] - Kexin New Source had a net inflow of 22.21 million yuan from institutional investors, while retail investors experienced a net outflow of 19.37 million yuan [2]

Company Overview - LianKe Technology Co., Ltd. is located in Qingzhou City, Shandong Province, and was established on April 23, 2001. The company went public on June 23, 2021. Its main business involves the research, production, and sales of silica and carbon black [1] - The revenue composition of LianKe Technology is as follows: carbon black accounts for 53.45%, silica for 43.86%, other products for 2.30%, and sodium silicate for 0.38% [1] Stock Performance - As of September 4, LianKe Technology's stock price decreased by 0.53%, trading at 22.33 CNY per share, with a total transaction volume of 1.25 billion CNY and a turnover rate of 2.82%. The company's total market capitalization is 4.519 billion CNY [1] - The stock has experienced a continuous decline over the past five days, with a cumulative drop of 16.27% [1] Fund Holdings - According to data from the top ten holdings of funds, one fund under Huaxia Fund has a significant position in LianKe Technology. The Huaxia New Jincheng Mixed A Fund (002838) held 3,700 shares in the second quarter, unchanged from the previous period, representing 0.38% of the fund's net asset value, making it the second-largest holding [2] - The Huaxia New Jincheng Mixed A Fund was established on August 9, 2016, with a current size of 351.3 million CNY. Year-to-date, it has returned 1.36%, ranking 7644 out of 8180 in its category. Over the past year, it has returned 4.3%, ranking 7564 out of 7978 [2] - The fund manager, Jin Anda, has been in position for 2 years and 191 days, managing total assets of 24.3 million CNY, with the best fund return during his tenure being 38.91% and the worst being 0.97% [2]

Group 1 - The core viewpoint of the article is that Link Technology (001207) is progressing with its significant project involving a 100,000-ton high-pressure cable shielding material using nano-carbon materials, which is a major initiative in Shandong Province [1] - The project is designed to achieve business transformation and upgrade by simultaneously developing conductive carbon black for both land and sea cables, indicating a strategic approach to diversify operations [1] - The company confirmed that the project is under construction as planned and is expected to commence production on schedule [1]

登录新浪财经APP 搜索【信披】查看更多考评等级 证券代码：001207 证券简称：联科科技 公告编号：2025-070 山东联科科技股份有限公司 特此公告。 山东联科科技股份有限公司 董事会 关于公司2025年度以简易程序向特定对象发行 2025年9月2日 股票募集说明书更新的提示性公告 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个别及连带责任。 山东联科科技股份有限公司（以下简称"公司"）2025年度以简易程序向特定对象发行股票申请已收到中 国证券监督管理委员会出具的《关于同意山东联科科技股份有限公司向特定对象发行股票注册的批复》 （证监许可〔2025〕1801号）。（具体内容详见公司于2025年8月27日在《证券时报》《中国证券报》 《上海证券报》《证券日报》及巨潮资讯网上刊登的公告）。 鉴于公司已于2025年8月29日披露了《2025年半年度报告》，根据《监管规则适用指引一一发行类第7 号》等相关要求，公司会同相关中介机构对募集说明书等相关文件中涉及的财务数据及其他变动事项进 行了更新，具体内容详见公司于2025年9月2日在 ...