Core Viewpoint - Wanrun Co., Ltd. announced that its subsidiary, Jiummu Chemical, has received an acceptance notice from the Beijing Stock Exchange for its application to publicly issue shares to unspecified qualified investors and list on the exchange [1] Company Overview - Jiummu Chemical primarily engages in the research, development, production, and sales of OLED front-end materials, including OLED sublimation materials and intermediates [4] - Wanrun Co., Ltd. holds 85 million shares in Jiummu Chemical, accounting for 45.33% of the total share capital, making it the controlling shareholder [4] Financial Performance - Revenue for Jiummu Chemical during the reporting period (2022 to the first quarter of 2025) was 706 million yuan, 878 million yuan, 962 million yuan, and 208 million yuan respectively [5] - The net profit excluding non-recurring gains and losses for the same periods was 197 million yuan, 203 million yuan, 246 million yuan, and 46.5 million yuan [5] - The company's main revenue source, OLED sublimation materials and intermediates, accounted for 93.65%, 94.38%, 95.84%, and 95.47% of total revenue during the reporting periods [5] Sales and Market Dynamics - Jiummu Chemical's sales are primarily export-oriented, with overseas sales accounting for 82.15%, 88.51%, 92.69%, and 89.69% of total revenue [7] - The company relies heavily on a few key customers, with sales to the top five customers representing 72.93%, 71.40%, 77.45%, and 67.93% of total revenue [7] Risks and Challenges - The company faces potential risks from fluctuations in exchange rates, as its overseas sales are primarily priced in USD, which can impact revenue and foreign exchange gains or losses [8] - Jiummu Chemical reported negative foreign exchange gains of -11.5 million yuan, -6.94 million yuan, -13.98 million yuan, and -2.00 million yuan during the reporting periods [8] - The company has a high inventory risk, with inventory values of 314 million yuan, 393 million yuan, 418 million yuan, and 436 million yuan at the end of each reporting period, representing a significant portion of current assets [9]

晶瑞电材（300655）(300655.SZ)披露2025年员工持股计划(草案)。参加本员工持股计划的总人数不超过 60人，其中董事(不含独立董事)、高级管理人员3人。公司员工持股计划的资金来源为公司提取的奖励 基金，本员工持股计划的资金规模总额不超过1224.9063万元，本员工持股计划涉及的标的股票规模不 超过188.7375万股，占目前公司股本总额的0.18%。员工持股计划受让公司回购专用证券账户所持有的 公司股份的受让价格为6.49元/股。本员工持股计划的存续期为48个月，自公司公告最后一笔标的股票 过户至本员工持股计划名下之日起算。 ...

Market Overview - On September 18, the electronic chemicals sector rose by 1.96%, led by Siquan New Materials, 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] Top Performers in Electronic Chemicals Sector - Siquan New Materials (301489) closed at 231.08, up 5.76% with a trading volume of 41,100 shares and a transaction value of 943 million [1] - Zhongjuxin (688549) closed at 9.95, up 4.85% with a trading volume of 1,426,600 shares and a transaction value of 1.416 billion [1] - Dinglong Co., Ltd. (300054) closed at 33.00, up 3.22% with a trading volume of 480,000 shares and a transaction value of 1.595 billion [1] Underperformers in Electronic Chemicals Sector - Lier Technology (688683) closed at 36.28, down 5.25% with a trading volume of 24,000 shares and a transaction value of 88.918 million [2] - Guanggang Gas (688548) closed at 11.20, down 3.53% with a trading volume of 242,300 shares and a transaction value of 275 million [2] - Guoci Materials (300285) closed at 22.50, down 2.47% with a trading volume of 350,200 shares and a transaction value of 796 million [2] Capital Flow Analysis - The electronic chemicals sector experienced a net outflow of 764 million from institutional investors, while retail investors saw a net inflow of 731 million [2] - The sector's overall capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors are increasing their positions [2] Individual Stock Capital Flow - Strong New Materials (300429) had a net inflow of 40.744 million from institutional investors, but a net outflow of 21.407 million from retail investors [3] - Weiteou (301630) saw a net inflow of 32.697 million from institutional investors, with a significant net outflow from retail investors of 28.427 million [3] - Macro Electronic (603002) had a net inflow of 13.911 million from institutional investors, while retail investors contributed a net inflow of 2.451 million [3]

Market Overview - The three major indices in the A-share market opened lower but rose during the morning session, with the Shanghai Composite Index closing at 3893.95 points, up 0.45% [1] - The Shenzhen Component Index closed at 13319.70 points, up 0.79%, and the ChiNext Index closed at 3162.90 points, up 0.49% [1] Sector Performance - The top-performing sectors included Automotive Services and Others (up 3.86%), Semiconductors (up 3.63%), Rubber Products (up 2.72%), and Components (up 2.72%) [2] - The sectors with the largest declines were Precious Metals (down 2.31%), Insurance (down 1.45%), Industrial Metals (down 1.45%), and Securities (down 1.44%) [2] Trading Volume and Net Inflow - The Automotive Services sector had a total trading volume of 536.37 million hands and a net inflow of 67.49 billion [2] - The Semiconductor sector recorded a total trading volume of 2599.29 million hands with a net inflow of 175.04 billion [2] - In contrast, the Insurance sector had a total trading volume of 156.42 million hands and a net outflow of 9.32 billion [2]

Core Viewpoint - Nanya New Materials announced the completion of the first vesting period for its 2024 restricted stock incentive plan, with a total of 281,200 shares being vested [2] Group 1: Company Announcement - The company received a confirmation letter from China Securities Depository and Clearing Corporation Limited Shanghai Branch on September 17, 2025 [2] - The vested shares were sourced from the company's repurchased A-share common stock in the secondary market [2]

Group 1 - The Guangdong Tiancheng Chemical high-end wet electronic chemical project has officially commenced construction with a total investment of 250 million yuan [1] - The project aims to break foreign technology monopolies and achieve domestic substitution and self-control of key electronic materials, serving South China and radiating Southeast Asia [1][3] - Tiancheng Technology, established in 2010, is a national high-tech enterprise focusing on functional wet electronic chemicals, with products reaching international advanced levels in various fields [3] Group 2 - The project is located in the Zhuhai Economic Development Zone, covering approximately 25,500 square meters, and plans to build a production line with an annual output of 30,000 tons of high-end electronic chemicals [3] - The product range includes high-end specialized materials required for integrated circuits, display panels, new energy, glass substrates, and PCBs, such as plating additives and copper treatment agents [3] - The project aims to create a modern factory that is technologically advanced, efficient, green, and safe, with full automation and digital management, gradually introducing AI quality control systems [3] Group 3 - Upon completion, the project is expected to generate an annual output value of approximately 400 million yuan, enhancing the resilience of the regional industrial chain and supporting China's electronic information industry in moving towards the high end of the global value chain [3] - The Zhuhai Economic Development Zone is committed to creating an influential benchmark base in the electronic chemical industry and addressing critical technology issues [4]

Market Overview - The electronic chemicals sector increased by 2.22% on September 17, with Zhongshi Technology 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] Top Performers - Zhongshi Technology (300684) closed at 44.61, up 14.09% with a trading volume of 532,700 shares and a transaction value of 2.343 billion [1] - Zhongjuxin (688549) closed at 9.49, up 12.31% with a trading volume of 1,381,400 shares and a transaction value of 1.346 billion [1] - Lair Technology (688683) closed at 38.29, up 5.95% with a trading volume of 25,900 shares [1] - Nanda Optoelectronics (300346) closed at 36.01, up 4.99% with a trading volume of 605,200 shares and a transaction value of 2.158 billion [1] Market Capital Flow - The electronic chemicals sector saw a net inflow of 294 million from institutional investors, while retail investors experienced a net outflow of 233 million [2][3] - Major stocks like Zhongjuxin and Nanda Optoelectronics attracted significant institutional investment, with net inflows of 225 million and 194 million respectively [3]

（文章来源：证券时报网） 数据宝统计，截至11:00，中巨芯-U成交额10.39亿元，创2024年11月12日以来新高。最新股价上涨 14.44%，换手率18.03%。上一交易日该股全天成交额为1.33亿元。 据天眼查APP显示，中巨芯科技股份有限公司成立于2017年12月25日。注册资本147727.6万人民币。 （数据宝） ...

Industry Overview - Electronic-grade sulfuric acid is a key cleaning and etching material in integrated circuit manufacturing, primarily used in the cleaning processes for 8-inch and 12-inch wafers [1][8] - In 2024, China's electronic-grade sulfuric acid production is expected to reach approximately 115,000 tons, representing a year-on-year growth of 9.52%, driven by the expansion of advanced semiconductor processes (7nm and below) and the large-scale application of cleaning processes in monocrystalline silicon solar cells [1][8] Industry Chain - The upstream of the electronic-grade sulfuric acid industry chain includes high-purity sulfur, industrial sulfuric acid, liquid sulfur trioxide, and ultra-pure water [4] - High-purity sulfur is a critical raw material for the production of electronic-grade sulfuric acid, with its purity directly affecting the quality of the final product [5] Market Dynamics - The rapid development of China's electronic information industry has led to a continuous increase in demand for semiconductor chips, particularly driven by emerging technologies such as 5G, artificial intelligence, and the Internet of Things [7] - The semiconductor equipment market in China is projected to reach 223 billion yuan in 2024, with a year-on-year growth of 1.82%, further boosting the demand for electronic-grade sulfuric acid [7] Key Players - The electronic-grade sulfuric acid industry in China is characterized by a competitive landscape with "one leader and many strong players." Xingfu Electronics is the industry leader, with a production capacity expected to reach 374,000 tons per year by 2025 [8][9] - Jianghua Micro and Jingrui Electronics follow closely, with Jianghua Micro achieving G4 grade product production through a combination of distillation and absorption methods [8] Industry Trends - The industry is transitioning from "scale expansion" to "quality improvement," with a focus on building a complete industrial chain [11] - The demand for electronic-grade sulfuric acid is being driven by both the expansion of the semiconductor industry and the rise of the renewable energy sector, leading to a trend of high-end and diversified market structure [11][12] - Companies are increasing R&D investments to upgrade purification processes and achieve lower metal ion content, with domestic enterprises achieving SEMI G5 grade product mass production [10][11]

证券之星消息，9月16日电子化学品板块较上一交易日上涨0.59%，中石科技领涨。当日上证指数报收于 3861.87，上涨0.04%。深证成指报收于13063.97，上涨0.45%。电子化学品板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | --- | --- | --- | --- | --- | --- | | 300684 | 中石科技 | 39.10 | 11.40% | 52.66万 | 20.40 乙 | | 688371 | 菲沃泰 | 27.20 | 5.02% | 3.13万 | 8299.84万 | | 301489 | 思泉新材 | 226.00 | 4.55% | 3.45万 | 7.71亿 | | 002584 | 西陇科学 | 8.51 | 2.41% | 17.51万 | 1.47亿 | | 688035 | 德邦科技 | 51.93 | 2.30% | 3.60万 | 1.84亿 | | 688150 | 莱特光电 | 24.98 | 1.67% | 5.22万 | 1.30亿 | | 600330 | 天通股份 | 1 ...