证券之星消息，11月21日橡胶板块较上一交易日下跌3.31%，利通科技领跌。当日上证指数报收于 3834.89，下跌2.45%。深证成指报收于12538.07，下跌3.41%。橡胶板块个股涨跌见下表： 从资金流向上来看，当日橡胶板块主力资金净流出1492.91万元，游资资金净流入1.66亿元，散户资金净 流出1.51亿元。橡胶板块个股资金流向见下表： | 代码 | 名称 | 主力净流入(元) | 主力净占比 游资净流入 (元) | | 游资净占比 散户净流入 (元) | | 散户净占比 | | --- | --- | --- | --- | --- | --- | --- | --- | | 300731 科创新源 | | 4157.67万 | 6.62% | 8572.66万 | 13.65% | -1.27 Z | -20.27% | | 603650 | 彤程新材 | 3705.62万 | 1.83% | -5198.32万 | -2.56% | 1492.70万 | 0.74% | | 002442 龙星科技 | | 3152.86万 | 25.92% | 327.67万 | 2.69% | -348 ...

| 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | --- | --- | --- | --- | --- | --- | | 301300 | 远翔新材 | 48.37 | 11.48% | 7.64万 | 3.53亿 | | 603650 | 彤程新材 | 40.92 | 6.62% | 36.15万 | 14.75 Z | | 920694 | 中裕科技 | 20.14 | 0.55% | 1.35万 | 2724.02万 | | 603033 | 三维股份 | 11.36 | 0.35% | 4.87万 | 5519.52万 | | 605183 | 确成股份 | 66'61 | -0.25% | 1.72万 | 3446.22万 | | 002442 | 龙星科技 | 6.37 | -0.47% | 6.38万 | 4074.90万 | | 301459 | 丰戊股份 | 41.47 | -0.77% | 1.77万 | 7500.04万 | | 300121 | 阳谷华泰 | 15.55 | -0.83% | 19.69万 | 3.08亿 | | 002753 ...

证券日报网讯龙星科技（002442）11月18日在互动平台回答投资者提问时表示，公司的主营业务为高品 质纳米级炭黑、白炭黑的研发、生产和销售，不涉及聚氯乙烯(PVC)相关业务，未购置聚氯乙烯设备。 ...

Market Overview - The rubber sector increased by 1.05% on November 6, with Zhen'an Technology leading the gains [1] - The Shanghai Composite Index closed at 4007.76, up 0.97%, while the Shenzhen Component Index closed at 13452.42, up 1.73% [1] Stock Performance - Zhen'an Technology (300767) closed at 21.39, with a rise of 2.84% and a trading volume of 104,400 shares, amounting to a transaction value of 220 million yuan [1] - Other notable performers include: - Sanwei Co. (603033) at 11.44, up 1.96% [1] - Quecheng Co. (605183) at 19.41, up 1.94% [1] - Litong Technology (920225) at 39.18, up 1.90% [1] - Tiantie Technology (300587) at 7.41, up 1.65% [1] Capital Flow - The rubber sector experienced a net outflow of 68.88 million yuan from institutional investors, while retail investors saw a net inflow of 51.99 million yuan [2] - The overall capital flow indicates a mixed sentiment, with institutional investors withdrawing funds while retail investors increased their positions [2] Individual Stock Capital Flow - Zhen'an Technology had a net inflow of 24.94 million yuan from institutional investors, but a net outflow of 18.53 million yuan from retail investors [3] - Tongcheng New Materials (603650) saw a net inflow of 17.44 million yuan from institutional investors and a net outflow of 45.17 million yuan from retail investors [3] - Sanwei Co. (603033) had a net inflow of 6.71 million yuan from institutional investors, while retail investors withdrew 5.34 million yuan [3]

Core Viewpoint - The domestic carbon black industry is facing dual challenges of continuously declining prices and high raw material costs, leading to significant pressure on the performance of leading listed companies in the first three quarters of 2025 [1] Group 1: Company Performance - Leading carbon black companies such as Longxing Technology, Yongdong Co., and Heimao Co. reported substantial declines in net profits for Q3 2025, with Heimao Co. posting a net loss of 55 million yuan, Yongdong Co. achieving a net profit of 48.89 million yuan (down 40.46% year-on-year), and Longxing Technology's net profit declining by 45.59% to 60.99 million yuan [1] - Heimao Co. reported a revenue of 6.417 billion yuan for the first three quarters, a year-on-year decrease of 12.1%, with a net loss expanding to 213 million yuan [4] - Longxing Technology achieved a revenue of 3.241 billion yuan, a year-on-year increase of 3.76%, but its net profit fell by 45.59% to 60.99 million yuan [4] Group 2: Market Price Trends - As of September 29, 2025, the mainstream market price for carbon black N330 in Shandong was between 6,300 and 6,500 yuan per ton, with an average increase of 100 yuan per ton since early July, but a decline of 146 yuan per ton (2.2%) compared to Q2 [2] - The average price for Q3 2025 was 6,465 yuan per ton, down 1,624 yuan per ton (20.08%) compared to the same period in 2024 [2] - Analysts predict that the carbon black market will experience weak fluctuations in Q4 2025, with supply exceeding demand remaining a significant factor influencing pricing [3] Group 3: Industry Challenges - The carbon black industry's profitability is under pressure due to declining market prices, with many companies reporting losses in Q3 2025 [4] - The average theoretical profit level for carbon black N330 products in Shandong was -315.69 yuan per ton in Q1 2025, a significant drop from the average profit level of 266.57 yuan per ton in Q3 2024 [4] - The ongoing supply-demand imbalance is expected to persist, leading to continued low pricing and reduced bargaining power for carbon black companies [3]

Financial Performance - The company's operating revenue for Q3 2025 was ¥1,119,042,853.27, representing a year-on-year increase of 2.87%[5] - The net profit attributable to shareholders decreased by 74.48% to ¥12,654,665.05 compared to the same period last year[5] - The basic earnings per share fell by 74.56% to ¥0.0258, while diluted earnings per share decreased by 75.84% to ¥0.0245[5] - The total profit decreased by 48.78%, attributed to a decline in product gross margin[9] - Net profit for the current period was ¥60,835,856.60, a decrease of 45.67% from ¥112,105,583.82 in the previous period[21] - Earnings per share (EPS) for the current period was ¥0.1243, down from ¥0.2298 in the previous period[21] - The company reported a decrease in operating profit to ¥61,754,962.32 from ¥121,752,667.93 in the previous period[21] Assets and Liabilities - The total assets at the end of the reporting period were ¥4,514,656,947.94, an increase of 2.34% from the end of the previous year[5] - Total assets increased to ¥4,514,656,947.94, compared to ¥4,411,272,021.09 in the previous period[19] - Total liabilities rose to ¥2,668,510,777.09, up from ¥2,569,681,522.24 in the prior period[19] - Total equity attributable to shareholders of the parent company was ¥1,845,706,266.22, slightly up from ¥1,840,990,566.88[19] Cash Flow - The net cash flow from operating activities increased by 126.06% to ¥47,538,106.44 year-to-date[5] - The company’s cash flow from operating activities showed a net increase of 126.06%, driven by higher operational receipts[9] - Operating cash flow for the current period was ¥47,538,106.44, a significant improvement from a negative cash flow of ¥182,386,410.35 in the previous period[22] - Total cash inflow from operating activities increased to ¥3,061,069,307.06, compared to ¥2,635,247,783.12 in the prior period, reflecting a growth of approximately 16.2%[22] - Cash outflow from operating activities was ¥3,013,531,200.62, up from ¥2,817,634,193.47, indicating an increase of about 6.9%[22] - The company reported a net decrease in cash and cash equivalents of ¥118,794,585.25, compared to a decrease of ¥111,896,649.96 in the prior period[23] - The ending balance of cash and cash equivalents was ¥141,053,820.18, down from ¥170,759,955.03[23] Shareholder Information - Total number of common shareholders at the end of the reporting period was 23,561[11] - Liu Jiangshan holds 19.45% of shares, amounting to 97,897,902 shares, making him the largest shareholder[11] - Bohai International Trust holds 14.43% of shares, totaling 72,629,372 shares[11] - The total number of shareholders with preferred shares is zero, indicating no preferred stockholders[12] Investments and Expenses - The company reported a significant increase in investment income by 242.45%, primarily due to increased interest from bank acceptance discounts[9] - The company experienced a 63.79% decrease in credit impairment losses, indicating a reduction in bad debt provisions[9] - Research and development expenses increased to ¥29,168,511.31, compared to ¥23,783,121.10 in the previous period, reflecting a growth of 22.53%[20] Operational Changes - The company plans to upgrade its carbon black tail gas waste heat power generation unit as part of its energy-saving initiatives[15] - The first unlock period for the 2024 restricted stock incentive plan will allow 5,032,000 shares to be released for trading on October 17, 2025[13] - The company has reformed its supervisory board, transferring its powers to the audit committee of the board of directors[14] Tax and Audit - The company reported a 90.56% decrease in income tax expenses, reflecting a reduction in overall profits[9] - The company did not conduct an audit for the third quarter financial report[24]

Market Overview - The rubber sector experienced a decline of 0.56% on October 29, with Tian Tie Technology leading the losses [1] - The Shanghai Composite Index closed at 4016.33, up 0.7%, while the Shenzhen Component Index closed at 13691.38, up 1.95% [1] Stock Performance - Li Tong Technology saw a significant increase of 30.00%, closing at 42.90, with a trading volume of 139,900 shares and a transaction value of 536 million [1] - Other notable gainers included Sanwei Equipment (+5.35%), Keqiang Co. (+3.73%), and Zhongyu Technology (+3.53%) [1] - Tian Tie Technology, however, fell by 2.53%, closing at 7.72, with a trading volume of 194,600 shares and a transaction value of 152 million [2] Capital Flow - The rubber sector experienced a net outflow of 113 million from main funds, while retail investors saw a net inflow of 87.95 million [2] - The main funds showed a negative net flow in several stocks, including Sanwei Co. and Tian Tie Technology, indicating a cautious sentiment among institutional investors [3] Individual Stock Analysis - Ke Chuang Xin Yuan had a net inflow of 44.34 million from main funds, but also saw a net outflow from retail investors [3] - Longxing Technology and Yongdong Co. experienced mixed capital flows, with retail investors showing some interest despite overall negative trends in main fund flows [3]

Core Points - Longxing Technology announced the election of Mr. Zhang Weiming as the employee director of the sixth board of directors during the fifth employee representative meeting held on October 13, 2025 [2] Summary by Category - **Company Announcement** - Longxing Technology held the fifth employee representative meeting on October 13, 2025 [2] - Mr. Zhang Weiming was elected as the employee director of the sixth board of directors [2]

Group 1 - The company held its second extraordinary general meeting of shareholders in 2025 on October 13, 2025, with a combination of on-site and online voting methods [5][6][11] - A total of 219 shareholders and authorized representatives participated, representing 165,809,276 shares, which is 32.9452% of the total shares [6][8] - The meeting approved several resolutions, including the cancellation of the supervisory board and amendments to the company's articles of association, with overwhelming support from shareholders [11][12][20] Group 2 - The company announced that 116 incentive targets are eligible for the first unlock period of the 2024 restricted stock incentive plan, with a total of 5,032,000 shares to be unlocked, accounting for 0.9998% of the total share capital [27][28][39] - The shares will be listed for circulation on October 17, 2025 [28][39] - The company confirmed that the conditions for unlocking the restricted shares have been met as per the relevant regulations [34][39] Group 3 - The company reported the resignation of non-independent director Ma Weifeng due to adjustments in the corporate governance structure, while he will continue to serve as the deputy general manager [41][42] - Zhang Weiming was elected as the employee director during the employee representative assembly held on October 13, 2025, complying with legal requirements [43][45] - The company expressed gratitude for Ma Weifeng's contributions during his tenure as a director [42]

Core Points - Longxing Technology announced the release of restricted stock under its 2024 incentive plan, with 116 eligible participants [2] - A total of 5,032,000 shares will be released, representing 0.9998% of the company's total share capital [2] - The shares will be available for trading starting from October 17, 2025 [2]