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]

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]

登录新浪财经APP 搜索【信披】查看更多考评等级 本次活动将采用网络远程的方式举行，投资者可登录"全景路演"网站 (http://rs.p5w.net)，或关注微信公 众号：全景财经，或下载全景路演APP，参与本次互动交流，活动时间为2025年9月15日（周一）14:00- 17:00（其中公司与投资者线上交流时间为15:00-17:00）。 届时公司董事长刘鹏达先生、财务负责人杨津女士、董事会秘书王冰女士将在线就公司治理、发展战 略、经营状况和可持续发展等投资者关心的问题，与投资者进行沟通与交流，欢迎广大投资者踊跃参 与! 证券代码：002442 证券简称：龙星科技 公告编号：2025-043 龙星科技集团股份有限公司关于参加2025年河北辖区上市公司投资者网上集体接待日暨2025年半年报集 体业绩说明会的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假记载、误导性陈述或重大遗 漏。 为进一步加强与投资者的互动交流，龙星科技集团股份有限公司（以下简称 "公司"）将参加由河北省 上市公司协会与深圳市全景网络有限公司联合举办的"2025年河北辖区上市公司投资者网上集体接待日 暨2025年 ...

本次活动将采用网络远程的方式举行，投资者可登录"全景路演"网站 (http://rs.p5w.net)，或关注微信公众号：全景财经，或下载全景路演APP，参 与本次互动交流，活动时间为2025年9月15日（周一）14:00-17:00（其中公司与 投资者线上交流时间为15:00-17:00）。 届时公司董事长刘鹏达先生、财务负责人杨津女士、董事会秘书王冰女士将 在线就公司治理、发展战略、经营状况和可持续发展等投资者关心的问题，与投 资者进行沟通与交流，欢迎广大投资者踊跃参与! 特此公告。 证券代码：002442 证券简称：龙星科技 公告编号：2025-043 龙星科技集团股份有限公司 关于参加 2025 年河北辖区上市公司投资者网上集体接待日 暨 2025 年半年报集体业绩说明会的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 为进一步加强与投资者的互动交流，龙星科技集团股份有限公司（以下简称 "公司"）将参加由河北省上市公司协会与深圳市全景网络有限公司联合举办的 "2025年河北辖区上市公司投资者网上集体接待日暨2025年半年报集体业绩说明 会"活动， ...

Market Overview - The rubber sector experienced a decline of 1.06% on September 2, with Kexin Innovation leading the drop [1] - The Shanghai Composite Index closed at 3858.13, down 0.45%, while the Shenzhen Component Index closed at 12553.84, down 2.14% [1] Stock Performance - Notable gainers in the rubber sector included: - Sanwei Co., Ltd. (603033) with a closing price of 12.96, up 10.02% on a trading volume of 348,800 shares and a transaction value of 444 million yuan [1] - Sanwei Equipment (831834) closed at 15.08, up 4.65% with a transaction value of 59.93 million yuan [1] - Major decliners included: - Kexin Innovation (300731) which fell 13.74% to a closing price of 48.67, with a trading volume of 263,700 shares and a transaction value of 1.349 billion yuan [2] - Yanggu Huatai (300121) down 3.25% to 15.47 with a transaction value of 368 million yuan [2] Capital Flow - The rubber sector saw a net outflow of 173 million yuan from institutional investors, while retail investors had a net inflow of 192 million yuan [2] - The detailed capital flow for selected stocks showed: - Sanwei Co., Ltd. had a net outflow of 52.4462 million yuan from institutional investors [3] - Tian Tie Technology (300587) recorded a net inflow of 3.3645 million yuan from institutional investors [3]

Market Overview - On September 1, the rubber sector increased by 1.39% compared to the previous trading day, with Kexin Innovation leading the gains [1] - The Shanghai Composite Index closed at 3875.53, up 0.46%, while the Shenzhen Component Index closed at 12828.95, up 1.05% [1] Key Performers in Rubber Sector - Kexin Innovation (300731) closed at 56.42, up 11.97% with a trading volume of 333,000 shares and a transaction value of 1.876 billion [1] - Tongcheng New Materials (603650) closed at 37.95, up 3.92% with a trading volume of 195,200 shares and a transaction value of 735 million [1] - Longxing Technology (002442) closed at 6.65, up 3.10% with a trading volume of 156,900 shares and a transaction value of 10.2 million [1] Fund Flow Analysis - The rubber sector saw a net inflow of 52.77 million from main funds, while retail funds experienced a net inflow of 43.16 million [2] - Speculative funds had a net outflow of 95.93 million [2] Individual Stock Fund Flow - Kexin Innovation had a main fund net inflow of 171 million, but speculative funds saw a net outflow of 98.26 million [3] - Tongcheng New Materials experienced a main fund net inflow of 46.31 million, with speculative funds having a net outflow of 21.12 million [3] - Longxing Technology had a main fund net inflow of 13.84 million, while speculative funds had a net outflow of 8.93 million [3]

每经头条（nbdtoutiao）——近120个品牌、1600辆车逐鹿西南！下半年国内首个A级车展开幕：新能 源"第三极"将改写车市格局 （记者 张喜威） 2025年1至6月份，龙星科技的营业收入构成为：化学原料及化学制品制造业占比98.32%，其他业务占 比1.68%。 每经AI快讯，龙星科技（SZ 002442，收盘价：6.45元）8月30日发布公告称，公司第六届2025年第三次 董事会会议于2025年8月29日在公司多功能会议室召开。会议审议了《2025年半年度报告及摘要的议 案》等文件。 ...

Core Viewpoint - Longxing Technology (002442) reported steady growth in its main business of carbon black while increasing R&D investment to drive future development [1] Financial Performance - In the first half of the year, the company achieved revenue of 2.122 billion yuan and a net profit attributable to shareholders of 48.3412 million yuan [1] Business Development - The company owns four carbon black production bases located in Hebei, Shanxi, Henan, and Chongqing, with a total production capacity of 645,000 tons per year for carbon black and 35,000 tons per year for white carbon black [1] - The company ranks among the top three in carbon black production in China according to the China Rubber Association's Carbon Black Branch [1] Capacity Expansion - The production capacity bottleneck has been effectively alleviated with the commissioning of the Shanxi and Chongqing production bases [1] R&D Investment - The company invested 116 million yuan in R&D in the first half of the year, a significant increase of 131.67% compared to the same period last year [1] - The company focused on overcoming nine key R&D projects and has obtained a total of 122 national patent authorizations covering various fields including carbon black production equipment, process optimization, environmental technology, and carbon-based new materials [1]

Core Viewpoint - Longxing Technology (002442.SZ) reported a revenue of 2.122 billion yuan for the first half of 2025, reflecting a year-on-year growth of 4.24% [1] - The net profit attributable to shareholders decreased by 22.68% to 48.3412 million yuan [1] - The net profit after deducting non-recurring gains and losses also saw a decline of 26.82%, amounting to 44.3801 million yuan [1] - Basic earnings per share stood at 0.0985 yuan [1] Financial Performance - Revenue for the first half of 2025: 2.122 billion yuan, up 4.24% year-on-year [1] - Net profit attributable to shareholders: 48.3412 million yuan, down 22.68% year-on-year [1] - Net profit after non-recurring items: 44.3801 million yuan, down 26.82% year-on-year [1] - Basic earnings per share: 0.0985 yuan [1]

| | | 龙星科技集团股份有限公司 关于 2025 年半年度募集资金存放、管理与实际使用情况的专项报告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 根据中国证券监督管理委员会出具的《关于同意龙星化工股份有限公司向不 特定对象发行可转换公司债券注册的批复》（证监许可〔2023〕2920 号），公司 于 2024 年 2 月 1 日向不特定对象发行了 7,547,539 张可转换公司债券，每张面 值为人民币 100.00 元，按面值发行，募集资金总额为人民币 754,753,900.00 元,扣除不含税发行费用人民币 9,438,723.30 元，实际募集资金净额为人民币 745,315,176.70 元。上述募集资金已于 2024 年 2 月 7 日到位。天职国际会计师 事务所（特殊普通合伙）已于 2024 年 2 月 7 日对上述募集资金到位情况进行了 审验，并出具了（天职业字〔2024〕1996 号）验资报告。 （二）募集资金使用和结余情况 单位：人民币元 | 项目 | | | | | | 金额 | | | --- | --- | --- | --- ...