证券代码：688603 证券简称：天承科技 公告编号：2025-067 上海天承科技股份有限公司 关于取消监事会、修订《公司章程》并办理工商变更 登记及修订、制定部分治理制度的公告 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法律责任。 上海天承科技股份有限公司（以下简称"公司"）于 2025 年 10 月 29 日召 开了第二届董事会第二十三次会议，审议通过了《关于取消监事会并修订<公司 章程>的议案》《关于修订、制定部分公司治理制度的议案》。同日，公司召开 第二届监事会第十六次会议，审议通过了《关于取消监事会并修订<公司章程> 的议案》。现将有关情况公告如下： 一、取消监事会的情况 根据《中华人民共和国公司法》（以下简称"《公司法》"）、《上市公司章程指 引》《关于新<公司法>配套制度规则实施相关过渡期安排》等法律、法规的规定， 公司董事会下设审计委员会行使《公司法》规定的监事会职权，不再设监事会或 者监事。同时，《上海天承科技股份有限公司监事会议事规则》相应废止，公司 各项规章制度中涉及监事会、监事的规定不再适用。 在公司股东会 ...

Core Viewpoint - Tiancheng Technology experienced a 5.4% decline in stock price, closing at 81.00 CNY per share, with a total market capitalization of 10.103 billion CNY as of October 30 [1] Company Overview - Shanghai Tiancheng Technology Co., Ltd. was established on November 19, 2010, and went public on July 10, 2023 [1] - The company specializes in the research, production, and sales of electronic chemicals required for PCB, with 99.98% of its revenue coming from specialized chemical products for copper plating [1] Fund Holdings - Huaxia Fund holds a significant position in Tiancheng Technology through its fund, Huaxia New Materials Leading Mixed Initiation A (017697), which held 9,836 shares, accounting for 4.28% of the fund's net value [2] - The fund has a total scale of 13.666 million CNY and has reported a year-to-date return of 22.4% [2] - The fund manager, Peng Ruizhe, has been in position for 2 years and 260 days, with the best and worst fund returns during his tenure being -14.22% and -15.6%, respectively [2]

Market Overview - The electronic chemicals sector experienced a decline of 0.3% on October 28, with Siquan New Materials leading the drop [1] - The Shanghai Composite Index closed at 3988.22, down 0.22%, while the Shenzhen Component Index closed at 13430.1, down 0.44% [1] Stock Performance - Notable gainers in the electronic chemicals sector included: - Huate Gas (688268) with a closing price of 68.52, up 5.42% on a trading volume of 44,800 shares and a turnover of 297 million [1] - Jingrui Electric Materials (300655) closed at 18.25, up 4.23% with a trading volume of 3.09 million shares and a turnover of 56.791 million [1] - Conversely, Siquan New Materials (301489) saw a significant decline of 16.98%, closing at 203.30 with a trading volume of 138,900 shares and a turnover of 298.5 million [2] Capital Flow - The electronic chemicals sector experienced a net outflow of 1.446 billion in main funds, while retail investors saw a net inflow of 1.253 billion [2] - The capital flow for specific stocks showed: - Dinglong Co. (300054) had a main fund net inflow of 37.85 million, but retail investors had a net outflow of 22.91 million [3] - Huate Gas (688268) experienced a main fund net inflow of 8.2143 million, with retail investors seeing a net outflow of 8.6272 million [3]

Market Overview - The electronic chemicals sector experienced a decline of 0.94% on October 22, with Guanghua Technology leading the drop [1] - The Shanghai Composite Index closed at 3913.76, down 0.07%, while the Shenzhen Component Index closed at 12996.61, down 0.62% [1] Stock Performance - Notable gainers in the electronic chemicals sector included: - Siquan New Materials (301489) with a closing price of 217.20, up 3.24% [1] - Tianyan Technology (688603) with a closing price of 72.07, up 2.85% [1] - Tiantong Co., Ltd. (600330) with a closing price of 10.66, up 2.21% [1] - Conversely, Guanghua Technology (002741) saw a significant decline of 4.32%, closing at 20.37 [2] - Other notable decliners included: - Lier Technology (688683) down 3.67% [2] - Glinda (603931) down 3.08% [2] Capital Flow - The electronic chemicals sector saw a net outflow of 117 million yuan from institutional investors, while retail investors contributed a net inflow of 12.7 million yuan [2] - The detailed capital flow for key stocks included: - Tiantong Co., Ltd. (600330) with a net inflow of 69.31 million yuan from institutional investors [3] - Siquan New Materials (301489) with a net inflow of 69.25 million yuan [3] - Zhongjuxin (688549) with a net inflow of 41.99 million yuan [3]

Market Performance - The electronic chemicals sector increased by 2.31% on October 21, with Siquan New Materials leading the gains [1] - The Shanghai Composite Index closed at 3916.33, up 1.36%, while the Shenzhen Component Index closed at 13077.32, up 2.06% [1] Top Gainers in Electronic Chemicals - Siquan New Materials (301489) closed at 210.38, up 6.32% with a trading volume of 98,100 shares and a transaction value of 2.022 billion [1] - Xingfu Electronics (688545) closed at 37.17, up 6.20% with a trading volume of 83,700 shares and a transaction value of 308 million [1] - Sanhu Xinke (688389) closed at 60.08, up 5.96% with a trading volume of 22,300 shares and a transaction value of 131 million [1] Fund Flow Analysis - The electronic chemicals sector saw a net inflow of 272 million from institutional investors, while retail investors experienced a net outflow of 246 million [2] - The main funds showed varying net inflows and outflows across different stocks, indicating selective investment behavior [3] Individual Stock Fund Flow - Shanghai Xinyang (300236) had a net inflow of 73.46 million from main funds, while retail investors saw a net outflow of 81.89 million [3] - Anji Technology (688019) experienced a net inflow of 35.75 million from main funds, with retail investors also showing a net outflow [3]

Core Insights - As of October 16, a total of 78 stocks in the Shanghai and Shenzhen markets have experienced net buying from major funds for five consecutive days or more [1] - The stocks with the longest streak of net buying are Kaisheng Technology, Wanxin Media, Jianyou Co., and Jinling Hotel, each having received net buying for nine consecutive trading days [1] - Other notable stocks with significant net buying days include Tiancheng Technology, China Electric Research, Junpu Intelligent, Hangxin Technology, Dongpeng Holdings, Shandong Publishing, Tongkun Co., and Yuanfang Information [1]

Core Insights - As of October 15, a total of 74 stocks in the Shanghai and Shenzhen markets have experienced net buying from major funds for five consecutive days or more [1] Group 1: Stocks with Longest Net Buying - The stocks with the longest consecutive net buying days are Wanxin Media, Jianyou Co., Jinling Hotel, Jinchun Co., and Kaisheng Technology, each having recorded net buying for eight consecutive trading days [1] Group 2: Other Notable Stocks - Other stocks with significant net buying days include Guanshi Technology, Haoneng Co., Ruidi Zhichu, Hangxin Technology, Tiancheng Technology, China Electric Research, Zhangzhou Development, and Junpu Intelligent [1]

Market Overview - The electronic chemicals sector increased by 3.17% on October 13, with Huate Gas leading the gains [1] - The Shanghai Composite Index closed at 3889.5, down 0.19%, while the Shenzhen Component Index closed at 13231.47, down 0.93% [1] Stock Performance - Huate Gas (688268) closed at 77.18, up 12.52% with a trading volume of 111,800 shares and a transaction value of 822 million [1] - Nanda Optoelectronics (300346) closed at 45.73, up 9.66% with a trading volume of 1,129,500 shares and a transaction value of 4.978 billion [1] - Jingrui Electric Materials (300655) closed at 16.49, up 8.13% with a trading volume of 1,487,100 shares and a transaction value of 2.366 billion [1] - Other notable performers include Qiangli New Materials (300429) up 7.54% and Dinglong Co. (300054) up 5.53% [1] Capital Flow - The electronic chemicals sector saw a net inflow of 241 million from institutional investors, while retail investors experienced a net outflow of 113 million [2][3] - Major stocks like Jingrui Electric Materials and Qiangli New Materials attracted significant institutional investment, with net inflows of 103 million and 101 million respectively [3]

Core Viewpoint - Tiancheng Technology is recognized for its advanced products and technologies in the fields of printed circuit boards, packaging substrates, semiconductors, and display panels, aiming to become a leading brand in high-end functional wet electronic chemicals [1][2] Group 1: Product and Technology Development - The company’s products are widely used in printed circuit boards, packaging substrates, semiconductors, and display panels [1] - In the fields of printed circuit boards and packaging substrates, the company competes closely with international rivals, receiving high praise for its products and technical services [1] - The company has achieved stability in product performance, particularly in metallization technology for polyimide, PET resin, and ABF materials, gaining recognition from mainstream packaging substrate manufacturers and top OEMs [1] - The company’s products in semiconductor packaging and advanced processes, including RDL, bumping, TSV, and Damascus plating series, have been validated by well-known packaging manufacturers, meeting international advanced standards [1] Group 2: Research and Development Initiatives - In response to the trends in high-performance computing and artificial intelligence, the company has rapidly invested in the research and development of TGV metallization technology for glass substrates, receiving broad recognition across the industry [1] - The company has established deep cooperative relationships with top OEMs to jointly promote the industrialization process [1] - In 2023, the company successfully developed RDL, bumping, TSV, and TGV plating additives for advanced semiconductor packaging and Damascus plating additives for wafer manufacturing, achieving downstream promotion verification [1] - In 2024, the company formed a semiconductor division and completed the construction of a project for specialized wet electronic chemicals for integrated circuits, aiding the localization process of plating additives in the semiconductor field [1] Group 3: Future Aspirations - The company will continue to focus on independent research and development, exploring the integration of cutting-edge processes to address critical technology challenges, aiming to become an industry leader in high-end specialized functional wet electronic chemicals [2]

Core Points - Tiancheng Technology conducted three block trades on September 25, with a total trading volume of 207,000 shares and a total transaction amount of 16.04 million yuan, all at a price of 77.50 yuan per share [2] - The stock closed at 77.50 yuan, down 1.87%, with a daily turnover rate of 4.54% and a total trading volume of 168 million yuan, indicating a net outflow of 14.42 million yuan in main funds [2] - Over the past five days, the stock has decreased by 2.15%, with a total net outflow of 8.80 million yuan [2] Trading Data - In the last three months, Tiancheng Technology has recorded four block trades with a cumulative transaction amount of 49.00 million yuan [2] - The latest margin financing balance for the stock is 416 million yuan, which has increased by 35.50 million yuan over the past five days, representing a growth rate of 9.34% [2] - The company was established on November 19, 2010, with a registered capital of 1.24724524 billion yuan [2]