Group 1 - The photoresist concept index rose by 4.06%, ranking fifth among concept sectors, with 68 stocks increasing in value [1][2] - Notable gainers include United Chemical, which hit the daily limit up of 20%, and other companies like Huasoft Technology, Baihehua, and Tongcheng New Materials also reached the daily limit [1][2] - The top gainers in the sector included Nanda Optoelectronics, Huarong Chemical, and Anji Technology, with increases of 12.50%, 11.95%, and 11.88% respectively [1][2] Group 2 - The photoresist concept sector saw a net inflow of 1.993 billion yuan, with 48 stocks receiving net inflows, and 11 stocks exceeding 100 million yuan in net inflow [2][3] - The leading stock in terms of net inflow was Tongcheng New Materials, which attracted 314 million yuan, followed by Jingfang Technology, Nanda Optoelectronics, and Yake Technology with net inflows of 274 million yuan, 188 million yuan, and 165 million yuan respectively [2][3] Group 3 - In terms of net inflow ratio, Huasoft Technology, Glinda, and Baihehua led with net inflow ratios of 64.64%, 25.46%, and 23.92% respectively [3][4] - The photoresist concept stocks with significant trading activity included Tongcheng New Materials with a trading increase of 10.01% and a turnover rate of 6.68% [3][4]

| 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 603650 | 彤程新材 | 41.55 | 10.01% | 39.92万 | | 15.98 Z | | 300587 | 天铁科技 | 8.93 | 3.84% | 34.94万 | | 3.10亿 | | 300121 | 阳谷华泰 | 17.07 | 3.52% | 62.80万 | | 10.65 Z | | 605183 | 确成股份 | 20.26 | 3.16% | 4.23万 | 8520.62万 | | | 002068 | 量猫股份 | 11.66 | 3.00% | 55.18万 | | 6.50亿 | | 002753 | 永东股份 | 6.89 | 2.84% | 7.03万 | 4789.69万 | | | 873665 | 科强股份 | 13.93 | 2.35% | 8178.24 | 1137.77万 | | | 603033 | 三维股份 | 12.13 | 1.85% | 5.90万 | ...

Group 1 - The core viewpoint of the article highlights the continuous rise of A-shares, particularly in the petrochemical sector, with the CSI Petrochemical Industry Index increasing by approximately 0.8% [1] - Key stocks in the petrochemical sector include Tongcheng New Materials, which hit the daily limit, and Blue Sky Technology, which rose over 5%, along with other notable performers such as Sanmei Co., Haohua Technology, and Yaqi International [1] - CITIC Construction Investment Securities anticipates an improvement in the chemical upstream sector driven by policy support, particularly for leading companies in midstream industries closely tied to domestic demand, including polyurethane, coal chemical, petroleum chemical, and fluorochemical sectors [1] Group 2 - The Petrochemical ETF (159731) and its connected funds (017855/017856) closely track the CSI Petrochemical Industry Index, with the basic chemical industry accounting for 60.65% and the petroleum and petrochemical industry for 32.3% of the index [1] - The top ten weighted stocks in the index include Wanhua Chemical, China Petroleum, Sinopec, Salt Lake Industry, China National Offshore Oil Corporation, Juhua Co., Cangge Mining, Hualu Hengsheng, Baofeng Energy, and Hengli Petrochemical, collectively accounting for 55.63% of the index [1]

数据宝统计，截至10:48，彤程新材成交额11.24亿元，创2024年11月12日以来新高。最新股价上涨 7.18%，换手率4.77%。上一交易日该股全天成交额为9.51亿元。（数据宝） 注：本文系新闻报道，不构成投资建议，股市有风险，投资需谨慎。 （文章来源：证券时报网） ...

Core Viewpoint - The A-share market is experiencing a strong performance in the photolithography machine concept stocks, indicating a positive trend in this sector [1] Group 1: Stock Performance - Shanghai Xinyang has increased by over 13% [1] - Huasoft Technology and Zhangjiang Hi-Tech have both reached the daily limit of 10% increase [1] - Chipsource Microelectronics has risen nearly 10% [1] - Other companies such as United Chemical, Anji Technology, Tongcheng New Materials, Nanda Optoelectronics, Zhongrun Optics, Fuchuang Precision, and Yake Technology have all seen increases of over 5% [1]

Core Viewpoint - The 25th China International Industry Fair (CIIF2025) will be held from September 23 to 27 at the National Exhibition and Convention Center (Shanghai), featuring a dedicated integrated circuit section to showcase innovations and cutting-edge technologies across the entire integrated circuit industry chain [1]. Agenda Summary Main Conference Agenda - The conference will include various forums and discussions, such as the "2025 Shanghai Integrated Circuit Industry ESG Development Forum" on September 24 and the "Automotive and Industrial Chip Special Session" on September 25 [3][8]. International Summit Forum Agenda - The International Summit Forum will feature a welcome address, leadership speeches, and several keynote presentations, including topics on AI in chip design and the transformation of chip design companies [4]. Industry Sub-Forum Agenda - The Industry Sub-Forum will cover topics such as semiconductor component innovation and lifecycle service solutions, with multiple keynote speeches from industry leaders [6]. Automotive and Industrial Chip Special Session - This session will focus on innovations and applications in automotive and industrial chips, featuring presentations on semiconductor component certification and the construction of a new ecosystem for domestic chips [9]. ESG Development Forum - The ESG Development Forum will discuss sustainable development in the semiconductor industry, with presentations on energy-saving strategies and compliance challenges related to ESG [12][13]. Exhibitor Information - A comprehensive exhibitor directory and booth layout will be provided to facilitate navigation and engagement during the event [15][17].

Core Viewpoint - The advancement of semiconductor localization has led to the emergence of several strong companies in the photoresist sector, providing high-quality products that empower the rapid development of the semiconductor industry [1] Company Summaries - **Jiu Ri New Materials (Stock Code: 688199)**: Jiu Ri New Materials has established a full industry chain layout, becoming the world's largest supplier of photoinitiators and a potential dark horse in the photoresist field. With over 20 years of experience in chemical synthesis and process optimization, the company has developed more than 30 semiconductor photoresist formulations, achieving bulk supply after successful testing by downstream customers. The order volume has reached a ton-level scale, with photoinitiators achieving large-scale sales across various sectors including display panels and semiconductor chip production [3] - **Rongda Photosensitive (Stock Code: 300576)**: Rongda Photosensitive focuses on the research, production, and sales of photoresist products, primarily G-line and I-line photoresists. The company plans to launch its semiconductor photoresist production line in 2025, targeting the packaging market [4] - **Tongcheng New Materials (Stock Code: 603650)**: Tongcheng New Materials operates as a platform enterprise for new materials, covering photoresists (semiconductor/display), specialty rubber additives, and biodegradable materials. Its subsidiary, Beijing Kehua, focuses on semiconductor photoresists, achieving a high domestic market share for KrF photoresists, while ArF photoresists have passed customer validation and are in continuous mass production. EUV packaging photoresists are currently in the research and development stage [5] - **Nanda Optoelectronics (Stock Code: 300346)**: Nanda Optoelectronics' main business includes advanced precursor materials, electronic special gases, photoresists, and supporting materials. Its semiconductor materials cover ArF photoresists and electronic special gases, applicable in the manufacturing of chips with a process node of 28nm and above [6] - **Shanghai Xinyang (Stock Code: 300236)**: Shanghai Xinyang is dedicated to providing integrated solutions for key process materials, supporting equipment, application processes, and on-site services for integrated circuits. Its product offerings include KrF photoresists, wafer-level packaging photoresists, electroplating solutions, and cleaning agents, serving the manufacturing of storage and logic chips [7]

Market Overview - On September 18, the rubber sector increased by 0.88%, led by Sanwei Equipment, while the Shanghai Composite Index closed at 3831.66, down 1.15% [1] - The Shenzhen Component Index closed at 13075.66, down 1.06% [1] Key Performers in Rubber Sector - Yiwai Equipment (831834) closed at 26.00, up 30.00% with a trading volume of 141,700 shares and a transaction value of 332 million [1] - Kexin New Source (300731) closed at 49.72, up 9.39% with a trading volume of 228,800 shares and a transaction value of 1.122 billion [1] - Sanwei Co. (603033) closed at 13.22, up 6.27% with a trading volume of 299,200 shares and a transaction value of 392 million [1] - Zhenan Technology (300767) closed at 23.70, up 5.52% with a trading volume of 316,300 shares and a transaction value of 754 million [1] Fund Flow Analysis - The rubber sector saw a net inflow of 39.38 million from main funds, while retail investors experienced a net outflow of 116 million [2] - Speculative funds had a net inflow of 76.45 million [2] Individual Stock Fund Flow - Zhenan Technology (300767) had a main fund net inflow of 68.72 million, with a retail net outflow of 64.88 million [3] - Kexin New Source (300731) had a main fund net inflow of 60.62 million, with a retail net outflow of 21.22 million [3] - Sanwei Co. (603033) had a main fund net inflow of 9.68 million, with a retail net outflow of 11.59 million [3]

| 交易日期 | 证券简称 | 证券代码 | 成交价(元) 成交金额(万元) 成交量(*) 买入营业部 | | | | 类出营业部 | 是否为专场 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 2025-09-17 | 彤橙新材 | 603650 | 31.2 | 624 | 20 | 广发证券股份有限 | 国泰海通证券股份 | Ka | | | | | | | | 公司上海南泉北路 | 有限公司上海闵行 | | | | | | | | | 证券营业部 | 区号文路证券营业 | | | | | | | | | | 100 | | | 2025-09-17 | 彤程新材 | 603650 | 31.2 | 312 | 10 | 国泰海通证券股份 | 国泰海通证券股份 | 중 | | | | | | | | 有限公司成都北一 | 有限公司上海闵行 | | | | | | | | | 试题班弟营业能 | 区号文路证券营业 | | | | | | | | | | 图 | | 9月17日，彤程新材大宗交易成交30万股，成交额936万元，占当日总成 ...

Market Overview - On September 17, the rubber sector increased by 0.88% compared to the previous trading day, with Sanwei Equipment leading the gains [1] - The Shanghai Composite Index closed at 3876.34, up 0.37%, while the Shenzhen Component Index closed at 13215.46, up 1.16% [1] Stock Performance - Sanwei Equipment (831834) closed at 20.00, with a significant increase of 29.95% and a trading volume of 194,200 shares, amounting to a transaction value of 373 million yuan [1] - Other notable performers include: - Zhongyu Technology (871694) at 22.36, up 4.24% [1] - Yuanxiang New Materials (301300) at 41.95, up 3.43% [1] - Tongcheng New Materials (603650) at 35.21, up 2.68% [1] Capital Flow - The rubber sector experienced a net outflow of 3.6786 million yuan from institutional investors, while retail investors saw a net outflow of 17.8668 million yuan [2] - Conversely, speculative funds recorded a net inflow of 21.5454 million yuan [2] Individual Stock Capital Flow - Tian Tie Technology (300587) had a net inflow of 21.7146 million yuan from institutional investors, while retail investors faced a net outflow of 7.8641 million yuan [3] - Heimao Co. (002068) saw a net inflow of 21.1115 million yuan from institutional investors, but a significant net outflow of 27.6242 million yuan from retail investors [3] - Other stocks with notable capital flows include: - Fengmao Co. (301459) with a net inflow of 7.9802 million yuan from institutional investors [3] - Longxing Technology (002442) with a net inflow of 1.8542 million yuan from institutional investors [3]