Financial Performance - The company's operating revenue for Q1 2024 was ¥76,064,884.24, representing a decrease of 14.75% compared to the same period last year[5]. - Net profit attributable to shareholders was ¥3,702,592.07, down 46.78% year-on-year[5]. - The net profit attributable to shareholders after deducting non-recurring gains and losses decreased by 42.00% to ¥2,866,423.98[5]. - Basic earnings per share were ¥0.02131, reflecting a decrease of 46.78%[5]. - The total profit for Q1 2024 is CNY 3,516,727.94, a decrease from CNY 7,689,706.71 in Q1 2023, representing a decline of approximately 54.4%[22]. - The net profit for Q1 2024 is CNY 2,900,569.95, down from CNY 6,957,674.91 in Q1 2023, indicating a decrease of about 58.4%[22]. - The total comprehensive income for Q1 2024 is CNY 2,931,799.49, down from CNY 7,578,997.39 in Q1 2023, representing a decrease of approximately 61.3%[22]. Cash Flow and Assets - The net cash flow from operating activities was negative at -¥2,714,558.74, a decline of 52.36% compared to the previous year[5]. - The operating cash flow for Q1 2024 is CNY 66,219,450.30, compared to CNY 71,209,747.08 in Q1 2023, reflecting a decline of approximately 7.0%[24]. - The net cash flow from operating activities is -CNY 2,714,558.74 for Q1 2024, worsening from -CNY 1,781,709.66 in Q1 2023[24]. - The cash flow from investing activities shows a net outflow of -CNY 5,910,349.76 in Q1 2024, compared to -CNY 10,474,249.38 in Q1 2023, indicating an improvement of about 43.5%[25]. - The cash and cash equivalents at the end of Q1 2024 amount to CNY 62,899,712.63, down from CNY 103,041,501.47 at the end of Q1 2023, a decrease of approximately 38.9%[25]. - The company's cash and cash equivalents decreased to RMB 62,901,706.07 from RMB 79,475,512.61 at the end of 2023[16]. - As of March 31, 2024, the total assets amounted to RMB 849,743,056.57, a decrease from RMB 873,201,564.64 at the end of 2023[17]. Operational Challenges - The decrease in operating revenue and net profit was primarily due to the relocation of the composite material pressure tank production base from Shanghai to Huzhou, Zhejiang, causing temporary capacity reduction and delayed order deliveries[9]. - The company experienced a significant impact on Q1 performance due to the relocation of its composite material pressure tank production base, resulting in temporary capacity constraints and increased employee severance payments[14]. - The company has resumed production capacity and stabilized operations, with normal order deliveries following the relocation[14]. Research and Development - Total R&D investment amounted to ¥7,322,013.23, which is 9.63% of operating revenue, an increase of 2.05 percentage points[6]. Liabilities and Receivables - The total liabilities decreased to RMB 89,234,816.55 from RMB 107,516,843.11 at the end of 2023[18]. - Accounts receivable as of March 31, 2024, were RMB 67,879,986.90, down from RMB 72,508,640.66 at the end of 2023[16]. - The company reported a significant increase in prepayments, which rose to RMB 7,469,908.24 from RMB 3,903,143.55 at the end of 2023[16].

上海唯赛勃环保科技股份有限公司 2023 年度独立董事述职报告 本人（雷琳娜）作为上海唯赛勃环保科技股份有限公司（以下简称"公司" 或"上市公司"）的独立董事，2023 年度我严格按照《公司法》《证券法》《上 海证券交易所科创板股票上市规则》《上市公司独立董事管理办法》《上市公司 治理准则》等法律法规、部门规章、规范性文件，以及《上海唯赛勃环保科技股 份有限公司章程》《上海唯赛勃环保科技股份有限公司独立董事工作制度》等有 关公司管理制度的规定和要求，认真负责，忠实勤勉地履行独立董事的义务和职 责，积极参加公司 2023 年度召开的股东大会、董事会及董事会各专门委员会的 相关会议，参与公司各项重大经营决策，发挥独立董事的专业优势和独立作用， 努力维护并有效保障了公司全体股东，尤其是中小股东的合法权益。现作本人 2023 年度独立董事述职如下： 一、独立董事的基本情况 （一）个人工作履历，专业背景以及兼职情况 雷琳娜，1982 年 11 月生，中国国籍，无境外永久居留权，大学本科学历， 中国注册会计师。2004 年 9 月至 2006 年 9 月，任中国银行珠海分行公司业务客 户经理；2006 年 10 月至 2 ...

致同会计师事务所（特殊普通合伙） 关于上海唯赛勃环保科技股份有限公司 非经营性资金占用及其他关联 资金往来的专项说明 目 录 关于上海唯赛勃环保科技股份有限公司非经营性资金占用及其他 关联资金往来的专项说明 上海唯赛勃环保科技股份有限公司 2023 年度非经营性资金占用及 其他关联资金往来情况汇总表 1 致同会计师事务所（特殊普通合伙） 中国北京 朝阳区建国门外大街 22 号 赛特广场 5 层 邮编 100004 电话 +86 10 8566 5588 传真 +86 10 8566 5120 www.grantthornton.cn 关于上海唯赛勃环保科技股份有限公司 非经营性资金占用及其他关联资金往来的专项说明 致同专字（2024）第 310A009795 号 Grant Thornton 致同 本专项说明仅供唯赛勃披露年度报告时使用,不得用作任何其他用途。 中国注册会计师 中国注册会计师 二〇二四年四月二十五日 中国 · 北京 SHANG 上海唯赛勃环保科技股份有限公司全体股东： 我们接受上海唯赛勃环保科技股份有限公司（以下简称唯赛勃）委托， 根据中国注册会计师执业准则审计了唯赛勃 2023 年 12 月 ...

证券代码：688718 证券简称：唯赛勃 公告编号：2024-012 上海唯赛勃环保科技股份有限公司 第五届董事会第十五次会议决议公告 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、准确性和完整性依法承担法律责任。 一、董事会会议召开情况 上海唯赛勃环保科技股份有限公司（以下简称"公司"）于 2024 年 4 月 25 日以现场会议的方式召开了第五届董事会第十五次会议（以下简称"本次会 议"）。本次会议的通知于 2024 年 4 月 10 日通过专人、电话或电子邮件方式送 达全体董事。会议应出席董事 6 人，实际到会董事 6 人（其中包括委托出席董 事 1 人，独立董事陈宏民先生授权委托独立董事王文学先生代为出席并行使表 决权），公司高级管理人员列席了本次会议。本次会议由公司董事长谢建新先生 主持。会议的通知、召集、召开和表决程序符合《公司法》等法律法规以及 《上海唯赛勃环保科技股份有限公司章程》（以下简称"《公司章程》"）的有关 规定，会议决议合法、有效。 二、董事会会议审议情况 经全体参会董事表决，形成决议如下： （一）审议通过《关于公司<2023 ...

上海唯赛勃环保科技股份有限公司 2023 年度独立董事述职报告 一、独立董事的基本情况 本人（陈宏民）作为上海唯赛勃环保科技股份有限公司（以下简称"公司" 或"上市公司"）的独立董事，2023 年度我严格按照《公司法》《证券法》《上海 证券交易所科创板股票上市规则》《上市公司独立董事管理办法》《上市公司治理 准则》等法律法规、部门规章、规范性文件，以及《上海唯赛勃环保科技股份有 限公司章程》《上海唯赛勃环保科技股份有限公司独立董事工作制度》等有关公 司管理制度的规定和要求，认真负责，忠实勤勉地履行独立董事的义务和职责， 积极参加公司 2023 年度召开的股东大会、董事会及董事会各专门委员会的相关 会议，参与公司各项重大经营决策，发挥独立董事的专业优势和独立作用，努力 维护并有效保障了公司全体股东，尤其是中小股东的合法权益。现作本人 2023 年度独立董事述职如下： （一）个人工作履历，专业背景以及兼职情况 陈宏民,1960 年 7 月生,中国国籍,无境外永久居留权,复旦大学学士,上海交通 大学博士,上海交通大学教授,博士生导师。1991 年 3 月至今任职于上海交通大学, 曾经担任上海交通大学安泰经济与管理学 ...

Financial Performance - The company achieved a revenue of CNY 384,211,760.82, representing a year-on-year growth of 24.72%[34]. - Net profit attributable to the parent company was CNY 45,940,130.87, an increase of 46.41% compared to the previous year[34]. - The net profit attributable to shareholders after deducting non-recurring gains and losses was CNY 39,599,153.89, up 50.83% year-on-year[34]. - The comprehensive gross profit margin for 2023 was 32.18%, an increase of 1.26% from the previous year[34]. - The company's total assets grew by 3.13% to ¥873,201,564.64, while net assets attributable to shareholders increased by 6.45% to ¥763,488,106.11[21]. - The company's operating revenue increased by 24.72% year-on-year, reaching ¥384,211,760.82, driven by improved macroeconomic conditions and a recovery in downstream demand[21]. - The net cash flow from operating activities decreased by 38.93% to ¥22,646,363.49, primarily due to a higher reliance on bank acceptance bills for customer payments[21][23]. - Basic and diluted earnings per share increased by 46.40% to ¥0.2644, with the basic earnings per share excluding non-recurring gains and losses rising by 50.83% to ¥0.2279[22][23]. Research and Development - Research and development expenses accounted for 7.13% of operating revenue, up from 6.91% in the previous year, indicating a commitment to innovation[22]. - The total R&D expenditure for the year was ¥27,394,185.38, an increase of 28.60% compared to the previous year, with R&D expenditure accounting for 7.13% of operating income, up by 0.22 percentage points[76]. - The company is committed to R&D, continuously improving membrane materials and composite equipment, with a focus on high desalination rates, anti-pollution, and low energy consumption[57]. - The company has developed low-temperature pre-treatment nanofiltration membranes and high-salinity concentration membranes to meet downstream lithium extraction needs[57]. - The company has completed the trial production of acid-resistant nanofiltration membranes and is verifying their performance, with a focus on lithium recovery processes[82]. - The company is working on a special nanofiltration membrane for lithium extraction from salt lakes, with a total investment of ¥2,000,000 and current investment of ¥1,941,922.90[82]. - The company has achieved a high desalination rate of ≥99.7% for lithium extraction processes, with significant improvements in membrane design technology[82]. - The company has developed key technologies to enhance the anti-pollution performance of polyamide composite membranes, with a total investment of ¥3,100,000 and current investment of ¥2,254,398.44[78]. Corporate Governance - The company has received a standard unqualified audit report from its accounting firm, ensuring the accuracy and completeness of the financial report[5]. - There are no special arrangements for corporate governance applicable to the company[7]. - The company has not violated any decision-making procedures regarding external guarantees[8]. - The company has established a performance evaluation and incentive mechanism for directors, supervisors, and senior management, ensuring transparency in appointments[166]. - The company maintains independence from its controlling shareholder, ensuring no interference in decision-making or operational activities[164]. - The independent directors have provided clear independent opinions on major matters, enhancing decision-making efficiency[165]. - The company held three shareholder meetings during the reporting period, with all proposals approved and no rejections[173]. - The board of directors consists of 6 members, including 3 independent directors, and held 14 meetings during the reporting period[161][162]. Market Strategy and Expansion - The company aims to strengthen its strategic layout with a dual-drive approach focusing on domestic and international markets[34]. - The company is actively exploring opportunities in seawater desalination, municipal engineering, industrial zero discharge, and material separation[95]. - The sales strategy combines direct sales and distribution, expanding market reach beyond China to North America and Europe, leveraging strong relationships with distributors[55]. - The company is expanding its market presence through strategic R&D and partnerships with academic institutions[90]. - The company plans to focus on high-performance separation membranes, targeting four key areas: water treatment, municipal engineering, zero discharge, and material separation over the next 3-5 years[151]. - Market expansion plans include entering three new international markets by Q3 2024, targeting a 10% increase in global market share[181]. Risks and Challenges - The company faces risks related to technological upgrades and iterations, which are critical for maintaining competitive advantages in the membrane separation technology industry[98]. - There is a risk that the R&D progress and industrialization of new products may not meet expectations, potentially impacting the company's performance negatively[99]. - The company has a high proportion of overseas sales, which exposes it to risks from trade protectionism and geopolitical instability that could affect international market demand[101]. - The prices of key raw materials, such as fiberglass and epoxy resin, have seen significant increases, adversely affecting the company's cost control and gross margin stability[102]. - The company is at risk of uncollectible accounts receivable as its business scales, which could negatively impact its financial performance[104]. - The company faces competition from downstream water treatment system companies that may leverage their financial and brand advantages to enter the upstream membrane business[109]. - The company relies heavily on imported raw materials, and any trade restrictions or price volatility could negatively impact its production and profitability[110]. - The development of the membrane separation industry is closely tied to national industrial policies and macroeconomic conditions, which could pose risks if there are unfavorable changes[111]. Product Development and Innovation - The company has developed a comprehensive product system for reverse osmosis and nanofiltration membranes since 2011, continuously improving product performance and production efficiency[70]. - The company has launched high-flow household membrane elements with specifications of 1200GPD and 1600GPD, meeting stringent water quality standards[10]. - The company has established a strong market image in the industry, receiving multiple awards such as the "Top Ten Parts Material Supplier" in 2017 and the "Quality Supplier" title in 2019[95]. - The company has developed low-energy, high-salt rejection membranes for industrial zero discharge applications, with a focus on reducing operational costs[9]. - The company has completed the development of lithium extraction processes with a lithium leaching rate of no less than 99% and a lithium recovery rate of no less than 95%[11]. Human Resources and Talent Management - The number of R&D personnel decreased from 82 to 80, representing 16.74% of the total workforce, down from 18.38%[88]. - Total R&D personnel compensation increased to RMB 12.18 million from RMB 10.53 million, with average compensation rising to RMB 15,230 from RMB 12,840[88]. - The company is committed to enhancing talent team construction and optimizing talent structure to attract high-quality professionals[157]. - The company has implemented a learning organization model to foster innovation and skill enhancement among employees[157]. Shareholder Returns - The company plans to distribute a cash dividend of 1.15 RMB per 10 shares, totaling approximately 19.90 million RMB (including tax) based on a total share capital of 173,054,002 shares after deducting repurchased shares[5]. - The company’s profit distribution plan has been approved by the board and is pending approval from the shareholders' meeting[6]. - Shareholder returns included a dividend payout of 0.5 per share, reflecting a commitment to returning value to investors[185].

上海唯赛勃环保科技股份有限公司 第五届董事会第十五次会议 上海唯赛勃环保科技股份有限公司 二、审议通过《关于公司<2023年度独立董事述职报告>的议案》 表决情况:6票同意,0票反对,0票弃权。 三、审议通过《关于公司<董事会审计委员会 2023年度履职情况 报告>的议案》 表决情况:6票同意,0票反对,0票弃权。 四、审议通过《关于独立董事独立性自查情况的议案》 第五届董事会第十五次会议决议 上海唯赛勃环保科技股份有限公司第五届董事会第十五次会议于 2024年4月10日发出书面通知,并于 2024年4月25 日在上海市青浦 区崧盈路 899 号公司二楼会议室召开。会议应参与表决董事 6名,实 参与表决董事 6名(独立董事陈宏民先生授权委托独立董事王文学先 生代为出席并行使表决权）,由公司董事长谢建新主持。会议的召开 符合有关法律、行政法规、部门规章、规范性文件和公司章程的规定, 合法有效。 经与会董事表决,通过如下决议: 一、审议通过《关于公司<2023年度董事会工作报告>的议案》 表决情况:6票同意,0票反对,0票弃权。 表决情况:3票同意,0票反对,0票弃权,独立董事王文学、陈 宏民、雷琳娜回避表决。 ...

致同审字（2024）第 310A015119 号 上海唯赛勃环保科技股份有限公司全体股东： 按照《企业内部控制审计指引》及中国注册会计师执业准则的相关要求， 我们审计了上海唯赛勃环保科技股份有限公司（以下简称唯赛勃）2023 年 12 月 31 日的财务报告内部控制的有效性。 一、企业对内部控制的责任 上海唯赛勃环保科技股份有限公司 二〇二三年度 内部控制审计报告 致同会计师事务所（特殊普通合伙） 内部控制审计报告 内部控制具有固有局限性，存在不能防止和发现错报的可能性。此外， 由于情况的变化可能导致内部控制变得不恰当，或对控制政策和程序遵循的 程度降低，根据内部控制审计结果推测未来内部控制的有效性具有一定风险。 Grant Thornton 致同 四、财务报告内部控制审计意见 我们认为, 唯赛勃于 2023 年 12月 31 日按照《企业内部控制基本规范》 和相关规定在所有重大方面保持了有效的财务报告内部控制。 中国注册会计师 中国注册会计师 二〇二四年 四月二十五日 按照《企业内部控制基本规范》、《企业内部控制应用指引》、《企业 内部控制评价指引》的规定，建立健全和有效实施内部控制，并评价其有效 性是唯赛 ...

证券代码：688718 证券简称：唯赛勃 公告编号：2024-011 上海唯赛勃环保科技股份有限公司 关于以集中竞价交易方式回购公司股份的进展公告 公司于 2024 年 2 月 8 日召开第五届董事会第十四次会议，审议通过了《关 于以集中竞价交易方式回购公司股份方案的议案》，同意公司以自有资金通过集 中竞价交易方式回购部分公司股票，并在未来适宜时机用于员工持股计划及/或 股权激励。回购股票价格的上限为 17.80 元/股（含），回购资金总额不低于人民 币 1,000.00 万元（含），不超过人民币 2,000.00 万元（含），回购期限为自董事 会审议通过本次回购股份方案之日起不超过 12个月。具体内容详见公司 2024年 2 月 19 日、2024 年 2 月 21 日在披露于上海证券交易所网站（www.sse.com.cn） 的《关于以集中竞价交易方式回购公司股份方案的公告》（公告编号：2024- 005）、《关于以集中竞价交易方式回购公司股份的回购报告书》（公告编号： 2024-006）。 二、实施回购股份进展情况 根据《上市公司股份回购规则》《上海证券交易所上市公司自律监管指引第 7 号——回购股份》 ...

重要内容提示： 截至 2024 年 2 月 29 日，上海唯赛勃环保科技股份有限公司（以下简称 "公司"）通过上海证券交易所交易系统以集中竞价交易方式已累计回购公司股 份 506,266 股，占公司总股本 173,754,389 股的比例为 0.2914%，回购成交的最 高价格为 12.35 元/股，最低价格为 10.34 元/股，支付的资金总额为人民币 5,901,360.90 元（不含印花税、交易佣金等交易费用）。 证券代码：688718 证券简称：唯赛勃 公告编号：2024-010 上海唯赛勃环保科技股份有限公司 关于以集中竞价交易方式回购公司股份的进展公告 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、回购方案的基本情况 公司于 2024 年 2 月 8 日召开第五届董事会第十四次会议，审议通过了《关 于以集中竞价交易方式回购公司股份方案的议案》，同意公司以自有资金通过集 中竞价交易方式回购部分公司股票，并在未来适宜时机用于员工持股计划及/或 股权激励。回购股票价格的上限为 17.80 元/股（含），回购资金总额 ...