申万宏源证券承销保荐有限责任公司 关于广东绿岛风空气系统股份有限公司 2024 年度内部控制自我评价报告的核查意见 申万宏源证券承销保荐有限责任公司（以下简称"申万宏源承销保荐"或 "保荐人"）作为广东绿岛风空气系统股份有限公司（以下简称"绿岛风"、"公 司"）的保荐人，根据《证券发行上市保荐业务管理办法》《深圳证券交易所股 票上市规则》《深圳证券交易所上市公司自律监管指引第 13 号——保荐业务》 《深圳证券交易所上市公司自律监管指引第 2 号——创业板上市公司规范运作》 等法律法规的要求，对公司 2024 年度内部控制自我评价报告进行了审阅核查， 具体情况如下： 一、保荐人进行的核查工作 保荐人指派担任绿岛风持续督导工作的保荐代表人及项目组人员审阅了绿 岛风内部控制制度，了解了内控制度的运行情况，查阅了绿岛风股东大会、董事 会、监事会、董事会各专门委员会会议的相关资料、公司章程、三会议事规则、 信息披露制度等相关文件以及其他相关内部控制制度、业务管理规则等，从公司 内部控制环境、内部控制制度建设、内部控制实施情况等多方面对公司内部控制 制度的完整性、合理性和有效性进行了核查，并对绿岛风2024年度内部控制 ...

申万宏源证券承销保荐有限责任公司 关于广东绿岛风空气系统股份有限公司 变更募集资金专项账户的核查意见 申万宏源证券承销保荐有限责任公司（以下简称"申万宏源承销保荐"、"保 荐人"）作为广东绿岛风空气系统股份有限公司（以下简称"绿岛风"、"公司"） 首次公开发行股票并在创业板上市的保荐人，根据《证券发行上市保荐业务管理 办法》、《上市公司监管指引第 2 号——上市公司募集资金管理和使用的监管要 求》、《深圳证券交易所创业板股票上市规则》、《深圳证券交易所上市公司自 律监管指引第 2 号——创业板上市公司规范运作》等相关法律、法规和规范性文 件的规定，对绿岛风变更募集资金专项账户事项进行了审慎核查，具体核查情况 如下： 一、募集资金基本情况 经中国证券监督管理委员会《关于同意广东绿岛风空气系统股份有限公司首 次公开发行股票注册的批复》（证监许可[2021]2205 号）同意注册，广东绿岛风 空气系统股份有限公司（以下简称"公司"或"绿岛风"）首次公开发行人民币 普通股（A 股）股票 1,700.00 万股，每股面值 1 元，每股发行价格为人民币 26.75 元，募集资金总额为 45,475.00 万元，减除发行费 ...

广东绿岛风空气系统股份有限公司 2024 年度募集资金存放与使用情况鉴证报告 司农专字[2025]24008690039 号 目 录 | | | 广东绿岛风空气系统股份有限公司 2024 年度募集资金存放与使用情况鉴证报告 司农专字[2025]24008690039 号 广东绿岛风空气系统股份有限公司全体股东： 我们审核了后附的广东绿岛风空气系统股份有限公司（以下简称"绿岛风"）董 事会编制的《2024 年度募集资金年度存放与使用情况专项报告》。 一、 对报告使用者和使用目的的限定 本鉴证报告仅供绿岛风年度报告披露之目的使用，不得用作任何其他目的。我们 同意将本鉴证报告作为绿岛风年度报告必备的文件，随其他文件一起报送并对外披露。 二、 董事会的责任 按照中国证券监督管理委员会《上市公司监管指引第 2 号——上市公司募集资金 管理和使用的监管要求》、深圳证券交易所《深圳证券交易所上市公司自律监管指引 第 2 号——创业板上市公司规范运作》及《深圳证券交易所创业板上市公司自律监管 指南第 2 号——公告格式》的规定编制《关于募集资金年度存放与使用情况的专项报 告》是绿岛风董事会的责任，这种责任包括保证其内容真实、 ...

申万宏源证券承销保荐有限责任公司 关于广东绿岛风空气系统股份有限公司 使用部分闲置募集资金及自有资金进行现金管理的核查意见 二、募集资金投资计划、实际使用情况 （一）募集资金投资计划 根据公司《首次公开发行股票并在创业板上市招股说明书》及过往变更募投项 目部分募集资金用途的情况，首次公开发行股票募集资金投资项目及募集资金使用 计划如下： 1 单位：万元 申万宏源证券承销保荐有限责任公司（以下简称"申万宏源承销保荐"、"保荐人"） 作为广东绿岛风空气系统股份有限公司（以下简称"绿岛风"、"公司"）首次公开发 行股票并在创业板上市的保荐人，根据《证券发行上市保荐业务管理办法》、《上市 公司监管指引第 2 号——上市公司募集资金管理和使用的监管要求》、《深圳证券交 易所创业板股票上市规则》、《深圳证券交易所上市公司自律监管指引第 2 号——创 业板上市公司规范运作》等相关法律、法规和规范性文件的规定，对绿岛风使用部 分闲置募集资金及自有资金进行现金管理事项进行了审慎核查，具体核查情况如下： 一、募集资金基本情况 经中国证券监督管理委员会（以下简称"中国证监会"）《关于同意广东绿岛风空 气系统股份有限公司首次公开发行 ...

广东绿岛风空气系统股份有限公司 （二）独立性的情况说明 2024 年，本人对独立性情况进行了自查，确认已满足各项监管规定中对于 出任公司独立董事所应具备的独立性要求，并将自查情况提交董事会；董事会对 本人的独立性情况进行了评估，未发现可能影响本人作为独立董事进行独立客观 判断的情形，认为本人作为独立董事保持充分的独立性。 二、2024 年度履职情况 2024 年度独立董事述职报告 本人作为广东绿岛风空气系统股份有限公司的独立董事，根据《公司法》《证 券法》《上市公司独立董事规则》《深圳证券交易所上市公司自律监管指引第 2 号——创业板上市公司规范运作》等法律法规、规范性文件及《公司章程》《独 立董事工作细则》等公司制度有关规定，勤勉认真地履行职责，努力维护公司整 体利益和全体股东特别是中小股东的合法权益。现将本人 2024 年度独立董事履 职情况汇报如下： 一、独立董事基本情况 （一）工作履历、专业背景及兼职情况 本人张楚华，中国国籍，无境外永久居留权，西安交通大学动力工程及工程 热物理专业博士研究生学历，教授职称。2011 年 1 月至今任西安交通大学能源 与动力工程学院教授。2024 年 5 月至今任公司 ...

广东绿岛风空气系统股份有限公司 舆情管理制度 第一章 总则 第一条 为提高广东绿岛风空气系统股份有限公司（以下简称"公司"）应 对各类舆情的能力，建立快速反应和应急处置机制，及时、妥善处理各类舆情对 公司股票价格、商业信誉及正常经营管理活动造成的影响，切实保护投资者合法 权益，根据《深圳证券交易所创业板股票上市规则》和《广东绿岛风空气系统股 份有限公司章程》（以下简称"公司章程"）等相关规定，制定本制度。 第二条 本制度所称舆情包括： （一）报刊、电视、网络等媒体对公司进行的负面报道； （二）社会上存在的已经或将给公司造成不良影响的传言或信息； （三）可能或者已经影响社会公众投资者投资判断，造成股价异常波动的信 息； （四）其他涉及公司信息披露且可能对公司股票及其衍生品交易价格产生较 大影响的事件信息。 第三条 舆情信息分类： （一）重大舆情：指传播范围较广，严重影响公司公众形象或正常经营活动， 使公司已经或可能遭受严重损失，已经或可能造成公司股票及其衍生品交易价格 较大波动的负面舆情； （二）一般舆情：指除重大舆情之外的其他舆情。 第四条 本制度适用于公司及合并报表范围内的各子公司。 第二章 舆情管理的组织 ...

广东绿岛风空气系统股份有限公司 2024 年度独立董事述职报告 本人作为广东绿岛风空气系统股份有限公司的独立董事，根据《公司法》《证 券法》《上市公司独立董事规则》《深圳证券交易所上市公司自律监管指引第 2 号——创业板上市公司规范运作》等法律法规、规范性文件及《公司章程》《独 立董事工作细则》等公司制度有关规定，勤勉认真地履行职责，努力维护公司整 体利益和全体股东特别是中小股东的合法权益。现将本人 2024 年度独立董事履 职情况汇报如下： 一、独立董事基本情况 （一）工作履历、专业背景及兼职情况 本人许迎丰，中国国籍，无境外永久居留权，本科学历，中级会计师职称， 拥有注册会计师资格。2018 年 3 月至 2020 年 4 月，任职泸州市江阳区风之丽管 理咨询中心总经理；2020 年 5 月至 2020 年 8 月，任职广州润峰婴儿用品有限公 司财务总监；2020 年 8 月至 2021 年 10 月，任职深圳市康泰健牙科器材有限公 司财务总监；2021 年 11 月至今，任职深圳康泰健医疗科技股份有限公司董事会 秘书、信息总监、董事长助理。2024 年 5 月至今任公司独立董事。 （二）独立性的情况说明 ...

广东绿岛风空气系统股份有限公司 董事会对独立董事独立性评估的专项意见 根据《上市公司独立董事管理办法》《深圳证券交易所创业板股票上市规则》 《深圳证券交易所上市公司自律监管指引第 2 号——创业板上市公司规范运作》 等要求，广东绿岛风空气系统股份有限公司（以下简称"公司"）董事会就公司 在任独立董事许迎丰先生、张楚华先生的独立性情况进行评估并出具如下专项意 见： 经核查公司独立董事许迎丰先生、张楚华先生的任职经历以及签署的相关自 查文件，上述人员未在公司担任除独立董事以外的任何职务，未在公司主要股东 公司担任任何职务，与公司及主要股东之间不存在利害关系或其他可能妨碍其进 行独立客观判断的关系，不存在影响独立董事独立性的情况，符合《上市公司独 立董事管理办法》《深圳证券交易所创业板股票上市规则》《深圳证券交易所上 市公司自律监管指引第 2 号——创业板上市公司规范运作》中对独立董事独立性 的相关要求。 广东绿岛风空气系统股份有限公司董事会 二〇二五年四月二十三日 ...

Revenue and Profitability - Revenue for Q1 2025 was CNY 123,196,330.27, an increase of 4.09% compared to CNY 118,359,993.47 in the same period last year[4] - Net profit attributable to shareholders decreased by 25.79% to CNY 17,403,260.41 from CNY 23,452,393.10 year-on-year[4] - Basic and diluted earnings per share fell by 23.53% to CNY 0.26 from CNY 0.34 in the same quarter last year[4] - Operating profit decreased to CNY 20,638,998.42, down 22.9% from CNY 26,754,940.13 in the previous period[21] - Net profit for the current period was CNY 17,403,260.41, a decrease of 25.8% from CNY 23,452,393.10 in the previous period[21] Cash Flow - Net cash flow from operating activities improved significantly to CNY 11,663,113.00, a 179.93% increase from a negative cash flow of CNY 14,592,218.80 in the previous year[4] - Cash flow from operating activities generated a net amount of CNY 11,663,113.00, compared to a negative cash flow of CNY 14,592,218.80 in the previous period[24] - Cash flow from investing activities resulted in a net outflow of CNY 100,045,245.70, contrasting with a net inflow of CNY 64,607,277.04 in the previous period[24] - Cash flow from financing activities showed a net outflow of CNY 2,253,906.12, compared to a net inflow of CNY 28,600,124.96 in the previous period[25] - The ending cash and cash equivalents balance was CNY 73,847,063.98, down from CNY 112,889,892.32 in the previous period[25] Assets and Liabilities - Total assets as of March 31, 2025, were CNY 1,275,270,108.07, a slight increase of 0.17% from CNY 1,273,141,362.00 at the end of the previous year[4] - Cash and cash equivalents decreased by 55.06% to CNY 73,847,063.98 from CNY 164,336,171.64, attributed to investments in financial products[8] - Total current liabilities decreased from CNY 370,173,447.37 to CNY 355,204,001.58, a reduction of about 4.0%[18] - The company’s total equity attributable to shareholders increased by 1.99% to CNY 893,401,455.42 from CNY 875,998,195.01 at the end of the previous year[4] - The company's total equity attributable to shareholders increased from CNY 875,998,195.01 to CNY 893,401,455.42, reflecting a growth of approximately 2.9%[19] Expenses and Income - The company reported a significant decrease in financial expenses by 48.57% to CNY 1,367,342.99 due to increased borrowings leading to higher interest expenses[9] - Investment income decreased by 65.63% to CNY 1,222,761.71 compared to CNY 3,557,644.71 in the previous year, primarily due to increased redemptions of financial products[9] - The company experienced a 93.91% decline in other income to CNY 17,446.70, down from CNY 286,573.17, mainly due to reduced government subsidies received[9] - Total operating costs increased to CNY 104,887,046.50, up 10% from CNY 95,392,890.09 in the previous period[20] Inventory and Receivables - Inventory levels rose from CNY 104,251,698.45 to CNY 110,181,463.48, indicating an increase of about 5.5%[17] - The company reported accounts receivable of CNY 98,019,460.21, up from CNY 94,724,894.24, marking an increase of approximately 3.4%[17] Research and Development - Research and development expenses increased to CNY 4,524,906.03, up from CNY 3,588,007.16 in the previous period, indicating a focus on innovation[20] Investments - The company decided to invest a total of 20 million RMB and remaining excess funds of 4.9032 million RMB into the construction of an annual production project for 60,000 air treatment units[15]

Financial Performance - The company's operating revenue for 2024 reached ¥601,589,248.86, an increase of 5.52% compared to ¥570,138,305.14 in 2023[18]. - The net profit attributable to shareholders for 2024 was ¥105,000,014.56, reflecting a growth of 9.14% from ¥96,210,756.54 in the previous year[18]. - The net profit after deducting non-recurring gains and losses was ¥84,841,325.87, up 11.93% from ¥75,801,080.26 in 2023[18]. - Basic and diluted earnings per share for 2024 were both ¥1.54, representing a 9.22% increase from ¥1.41 in 2023[18]. - Total assets at the end of 2024 amounted to ¥1,273,141,362.00, a 13.54% increase from ¥1,121,324,625.09 in 2023[18]. - The net assets attributable to shareholders increased by 5.44% to ¥875,998,195.01 from ¥830,838,180.45 in 2023[18]. - The total profit for the period was 20,158,688.69 in 2024, slightly down from 20,409,676.28 in 2023, showing a decrease of approximately 1.2%[24]. - The gross profit margin for the indoor ventilation system was 35.73%, showing a slight increase of 0.05% compared to the previous year[100]. Cash Flow and Investment - The net cash flow from operating activities decreased by 45.39% to ¥84,984,802.13 from ¥155,622,927.56 in 2023[18]. - The company reported a significant decrease in net cash flow from operating activities, indicating potential liquidity challenges[18]. - Investment cash inflow surged by 40.52% to $1.02 billion, attributed to increased redemptions of bank and securities company financial products[112]. - Net cash flow from investment activities turned positive at $5.55 million, a significant improvement of 102.80% compared to a negative cash flow in 2023[111]. - Financing cash inflow rose by 52.19% to $281.55 million, driven by increased short-term borrowings[112]. - The net increase in cash and cash equivalents was $130.17 million, a remarkable increase of 376.81% compared to a decrease in 2023[111]. - The proportion of cash and cash equivalents to total assets increased by 9.86% to 12.91% due to the redemption of financial products[116]. Market Trends and Industry Insights - The indoor ventilation system market in China is experiencing gradual growth, with low penetration rates compared to developed countries, indicating significant long-term growth potential[31]. - The industry is expected to benefit from the "carbon peak" and "carbon neutrality" goals set by the government, promoting energy-saving and green development initiatives[38]. - The demand for integrated solutions in the indoor ventilation system market is increasing as consumers seek higher quality and more efficient products[39]. - The industry is projected to see a gradual increase in concentration as smaller manufacturers are phased out, favoring those with scale advantages and brand recognition[41]. - Technological advancements in energy efficiency and user experience are becoming key focuses for manufacturers in the indoor ventilation system sector[42]. - The domestic fresh air industry is expected to experience a decline in 2024 due to slow consumer recovery and reduced project investments, but long-term growth is anticipated as awareness of air health increases[49]. Research and Development - The company has obtained 20 invention patents, 376 utility model patents, and 94 design patents as of December 31, 2024, reflecting its commitment to innovation and intellectual property[76]. - The company has accelerated its R&D progress, completing several key projects including the "DY(A) series oil fume special air conditioning wind cabinet" and "new type high-efficiency axial flow fan" during the reporting period[89]. - The company aims to enhance its R&D capabilities by expanding R&D office space, acquiring new equipment, and collaborating with external research institutions[134]. - The company will strengthen its R&D team and invest in product design, aiming to improve technical service capabilities and upgrade its R&D systems[141]. - The R&D investment for 2024 amounts to ¥18,585,631.31, representing 3.09% of its operating revenue[109]. Governance and Compliance - The company has established a governance structure that includes a shareholders' meeting, board of directors, supervisory board, and management team, ensuring clear responsibilities and compliance with regulations[159]. - The company has implemented a three-year shareholder dividend return plan for 2024-2026, which was approved during the temporary shareholders' meeting[162]. - The company has established specialized committees within the board, including a strategy committee and an audit committee, to enhance decision-making processes[165]. - The company has a clear policy for information disclosure, ensuring timely and accurate communication of significant information to the public[167]. - The company has not experienced any incidents of the controlling shareholder infringing on the rights of other shareholders during the reporting period[163]. Strategic Initiatives - The company plans to develop new air conditioning systems with an investment of 5.6 million yuan, targeting completion by 2025[126]. - The company aims to enhance its marketing network by deepening offline channels and expanding e-commerce operations, with coverage on major platforms like JD, Tmall, Pinduoduo, and Douyin[140]. - The company intends to strengthen its distribution channels and brand promotion to enhance brand recognition among end consumers[137]. - The company will continue to optimize its operational management through information systems like ERP and PLM to improve efficiency[138]. Risks and Challenges - The company faces risks from intensified industry competition, particularly from established foreign brands and diversified domestic appliance companies[144]. - The company is exposed to raw material price volatility, which could significantly impact its cost structure and profitability[146]. - The company must manage inventory effectively to mitigate risks associated with potential inventory write-downs due to market fluctuations[147]. - The company must enhance internal controls to manage risks associated with its expanding business scale and operations[149].