证券代码：603690 证券简称：至纯科技 公告编号：2026-009 上海至纯洁净系统科技股份有限公司 关于为控股子公司提供担保的公告 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。 一、担保情况概述 （一）担保的基本情况 近日，因上海至纯洁净系统科技股份有限公司（以下简称"公司"或"本公 司"）控股子公司合肥至微微电子有限公司（以下简称"合肥至微微电子"）、 至微半导体（上海）有限公司（以下简称"至微半导体"）、上海泛楒立光电设 备有限公司（以下简称"泛楒立光电"）、上海至纯系统集成有限公司（以下简 称"系统集成"）向银行申请授信贷款事项，公司与中国银行股份有限公司合肥 庐阳支行、北京银行股份有限公司上海分行分别签订了《最高额保证合同》《综 合授信合同》。本次公司为合肥至微微电子提供本金 500 万元的连带责任保证， 上述担保无反担保，截至本公告日累计为其提供担保余额为 0 万元；本次公司为 至微半导体提供担保金额为 9,000 万元，上述担保无反担保，截至本公告日累计 为其提供担保余额为 52,637.00 万元；本次公 ...

证券代码：603690 证券简称：至纯科技 公告编号：2026-008 上海至纯洁净系统科技股份有限公司 关于为控股子公司提供担保的公告 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。 重要内容提示： 担保对象及基本情况 | 被担保人名称 | 本次担保金额 | | 实际为其提供的 担保余额（不含本 | | 是否在前期预计 | 本次担保是否有 | | --- | --- | --- | --- | --- | --- | --- | | | | | 次担保金额） | | 额度内 | 反担保 | | 江苏至纯系统集成 有限公司 | | 1,000 万元 | 19,447.69 | 万元 | 是 | 否 | | 江苏启微半导体设 备有限公司 | 3,600 | 万元 | 20,401.69 | 万元 | 是 | 否 | 累计担保情况 | 对外担保逾期的累计金额（万元） | 0 | | --- | --- | | 截至本公告日上市公司及其控股 | 306,406.91 | | 子公司对外担保总额（万元） | | | 对外担保总额占上市 ...

证券代码：603690 证券简称：至纯科技 公告编号：2026-007 上海至纯洁净系统科技股份有限公司 一、担保情况概述 （一）担保的基本情况 关于为控股子公司提供担保的公告 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。 重要内容提示： 担保对象及基本情况 | | | | 次担保金额） | | 额度内 | 反担保 | | --- | --- | --- | --- | --- | --- | --- | | 被担保人名称 上海至纯系统集成 有限公司 | 本次担保金额 17,000 | 万元 | 实际为其提供的 担保余额（不含本 72,254.83 | 万元 | 是否在前期预计 是 | 本次担保是否有 否 | | 对外担保逾期的累计金额（万元） | 0 | | --- | --- | | 截至本公告日上市公司及其控股 | 308,906.91 | | 子公司对外担保总额（万元） | | | 对外担保总额占上市公司最近一 期经审计净资产的比例（%） | 63.94% | | | ☑担保金额（含本次）超过上市公司最近一期 经审计 ...

Core Viewpoint - The company is making significant progress in the validation of its advanced wet processing equipment, particularly in the 28nm node and beyond, indicating a strong position in the domestic market [2]. Group 1: Equipment Validation and Orders - The company has achieved full coverage of its wet processing equipment at the 28nm node, with all process machines receiving orders [2]. - For more advanced process nodes, the company has secured some process orders, especially in areas dominated by international manufacturers, such as high-temperature sulfuric acid and FINETCH [2]. - The delivery and validation progress of the company's equipment is currently leading domestically [2]. Group 2: Production and Delivery Timeline - The timeline for mass production and delivery will depend on the verification progress of customer production lines and expansion plans [2]. - The company is committed to aligning with customer needs and actively advancing the validation and delivery of its equipment [2].

格隆汇2月27日丨至纯科技(603690.SH)在投资者互动平台表示，公司高阶湿法设备在先进制程领域的验 证工作正持续推进中。公司湿法设备在28纳米节点已实现全覆盖，全工艺机台均有订单；在更先进制程 节点，公司已取得部分工艺订单，尤其在高温硫酸、FIN ETCH、单片磷酸等国际厂商垄断的机台领 域，交付和验证进度均处于国内领先地位。关于批量生产及交付时间，需结合客户产线验证进度及扩产 计划综合确定。公司将持续配合客户需求，积极推进设备验证与交付工作。 ...

Investment Thesis - The semiconductor equipment industry is expected to see significant growth driven by AI-related demand, with capital expenditures entering a new upward cycle. The global semiconductor equipment market is projected to reach a record high, supported by advancements in advanced logic and memory production [2][29] - The transition from FinFET to GAA/CFET in advanced logic and the upgrade of DRAM and 3D NAND technologies are leading to substantial increases in capital investment per unit of production capacity [2][29] - The domestic semiconductor equipment market is experiencing a shift towards localization due to external sanctions, with the domestic procurement rate for critical equipment expected to rise significantly [2][29] Industry Performance - The semiconductor equipment companies are showing robust revenue growth, with total revenues for selected companies reaching 732.2 billion yuan in 2024, a year-on-year increase of 33%, and 648.0 billion yuan in the first three quarters of 2025, a 32% increase [12][26] - The net profit attributable to shareholders is projected to be 119.0 billion yuan in 2024, up 15% year-on-year, and 110.4 billion yuan in the first three quarters of 2025, reflecting a 28% increase [12][26] - The industry is maintaining high R&D investment levels, with R&D expenditures reaching 139.88 billion yuan in 2024, a 34.7% increase year-on-year [22][26] Market Dynamics - The global semiconductor equipment market is expected to grow to 133 billion USD in 2025, driven by AI investments, with further growth anticipated in subsequent years [30][32] - China is becoming a crucial market for semiconductor equipment, with its market share expected to reach 42% of global sales by 2024, significantly higher than other regions [33][36] - The domestic wafer manufacturing capacity is projected to increase from 16% in 2021 to 22% in 2024, indicating substantial room for growth in local production capabilities [36][38] Company Insights - Key domestic companies such as North Huachuang and Zhongwei Company are recommended for investment due to their strong market positions and growth potential in the semiconductor equipment sector [2][12] - The upcoming IPOs of major storage manufacturers are expected to provide significant capital for expansion, with Longxin Storage projected to achieve revenues of 550-580 billion yuan in 2025, reflecting a growth rate of 127%-140% [54][58] - The production capacity of leading domestic manufacturers is still significantly lower than that of international leaders, indicating potential for future expansion [50][49]

Investment Rating - The industry investment rating is optimistic [1] Core Insights - The industrial gas market is expected to reach 1.3 trillion yuan by 2026, with a CAGR of 6.8% over the next four years [3] - The competitive landscape is becoming more concentrated, with the top four companies holding 54% of the global market share and the top six in China holding 72% [3] - Growth drivers include increased outsourcing of gas supply, accelerated demand from sectors like semiconductors and new energy, and short-term benefits from macroeconomic recovery and gas price elasticity [3] Market Space - The global industrial gas market is valued at over 1 trillion, while the domestic market is around 200 billion [3] - The market is projected to grow to 284.2 billion yuan in China by 2026, with a CAGR of 9.68% from 2022 to 2026 [21] - The market is characterized by high concentration, with the top five companies holding approximately 69% of the market share [21] Equipment Market - The domestic air separation equipment market is valued at 34.1 billion yuan in 2022, with a growth rate of 25% year-on-year [4] - The market is expected to grow at a CAGR of 22% from 2019 to 2024, driven by larger equipment sizes and increased export demand [4] Electronic Specialty Gases - The semiconductor market is expected to remain strong, with a projected 30% year-on-year increase in global semiconductor sales by November 2025 [5] - There is significant potential for domestic electronic specialty gas manufacturers to replace imports and expand into global markets [5] Investment Recommendations - The report recommends focusing on leading companies in the industrial gas sector, such as Hangyang Co., and key players in electronic specialty gases like China Shipbuilding Gas and Guanggang Gas [6]

Core Viewpoint - The high-purity medium delivery system market in China is rapidly growing, driven by the development of modern manufacturing industries such as semiconductors, biomedicine, and food and beverage, with a projected demand of 21,430 sets and a market size of 45.923 billion yuan by 2025 [1][5]. Overview - High-purity medium delivery systems are designed for high purity and cleanliness fluid media, ensuring closed, pollution-free, and precise delivery from storage to usage, widely applied in semiconductor, fiber optics, biopharmaceuticals, and food and beverage industries [1][5]. Industry Entry Barriers - High purity medium delivery systems have high quality requirements from downstream customers, creating significant entry barriers for new companies due to the reliance on long-term operational data and historical experience for supplier selection [3][4]. Policy Environment - The Chinese government has implemented various policies to support and regulate the high-purity medium delivery system industry, including "Made in China 2025" and other initiatives aimed at fostering industry growth and ensuring safety standards [5][6]. Industry Chain - The industry chain consists of upstream components like valves and pipes, midstream design and assembly, and downstream applications in sectors such as semiconductors and biopharmaceuticals, which rely on high purity control for process precision [6][7]. Demand Structure - The semiconductor sector, including integrated circuits and photovoltaics, is the primary demand market for high-purity medium delivery systems, expected to account for over 60% of the market by 2025 [7][8]. Current Development - The market for high-purity medium delivery systems is experiencing rapid growth, with a projected demand of 21,430 sets and a market size of 45.923 billion yuan by 2025, driven by advancements in semiconductor processes and biomedicine [5][9]. Competitive Landscape - Historically dominated by foreign companies, the market is seeing a shift towards domestic firms like Zhichun Technology and Zhengfan Technology, which are gaining market share by focusing on technology breakthroughs and cost-effective solutions [9][10]. Domestic Company Analysis - Shanghai Zhichun Technology focuses on the semiconductor industry, providing lifecycle products and services, with a revenue of 1.608 billion yuan in the first half of 2025, primarily from system integration [10][11]. - Shanghai Zhengfan Technology offers equipment and services to high-tech industries, achieving a revenue of 3.292 billion yuan in the first nine months of 2025, with a gross profit margin of 21.51% [11][12]. Development Trends - The industry is expected to evolve towards ultra-high purity and smart systems, with a focus on material improvement and real-time monitoring technologies to enhance operational efficiency and reliability [12][13]. - The domestic replacement process is accelerating, with local companies increasing investment in core technology to break foreign monopolies and expand market share [13][14]. - Application fields are diversifying, extending beyond traditional sectors to include renewable energy, aerospace, and new materials, indicating a broadening demand landscape [14].

证券代码：603690 证券简称：至纯科技 公告编号：2026-006 上海至纯洁净系统科技股份有限公司 关于股东部分股份质押展期的公告 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。 重要内容提示： 上海至纯洁净系统科技股份有限公司（以下简称"公司"）控股股东之 一蒋渊女士持有公司股份数量为 80,499,708 股，占公司总股本的 21.02%。本次 质押展期 11,660,000 股，本次质押展期后，蒋渊女士累计质押公司股份数量为 28,660,000 股，占其所持公司股份的 35.60%，占公司目前股份总数的 7.48%。 截至本公告日，蒋渊女士及其一致行动人陆龙英女士、共青城尚纯科技 产业投资合伙企业（有限合伙）（以下简称"尚纯投资"）合计持有本公司股份 数量为 105,200,724 股，占公司总股本的 27.47%。本次质押展期后，蒋渊女士及 其一致行动人陆龙英女士、尚纯投资累计质押股份数量为 28,660,000 股，占其合 计持股数量的 27.24%，占公司目前总股本的 7.48%。 一、股份质押情况 公司于 ...

Core Viewpoint - The announcement from Zhichun Technology indicates that controlling shareholder Jiang Yuan has extended the pledge of 11.66 million shares, which is primarily for personal funding needs, with no impact on the company [1] Group 1: Share Pledge Details - Jiang Yuan has pledged 11.66 million shares, including 6 million shares originally pledged on February 10, 2025, now extended to February 10, 2027, and 5.66 million shares originally pledged on February 12, 2025, now extended to February 12, 2027 [1] - The pledge is secured by CITIC Securities, indicating a financial arrangement for Jiang Yuan's personal funding [1] Group 2: Ownership and Pledge Impact - Jiang Yuan holds 21.02% of the company's shares, and after the pledge extension, a total of 28.66 million shares are pledged, which constitutes 35.60% of his holdings and 7.48% of the total share capital [1] - Jiang Yuan and his concerted parties collectively hold 27.47% of the total share capital, and the pledged shares do not pose a risk of forced liquidation, thus having no adverse effect on the company [1]