证券代码：688629 证券简称：华丰科技 公告编号：2025-037 四川华丰科技股份有限公司 关于继续使用部分暂时闲置募集资金进行现金管理 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、准确性和完整性依法承担法律责任。 重要内容提示： ? 基本情况 投资金额 6,400 万元（包含本数）的部分暂时闲置募集资金 安全性高、流动性好、满足保本要求的投资产品（包 投资种类 括但不限于结构性存款、定期存款、大额存单、七天 通知存款等） 资金来源 募集资金 ? 履行的审议程序：公司于 2025 年 8 月 25 日召开第二届董事会第十五 次会议和第二届监事会第十一次会议，审议通过了相关议案，保荐机构申万 宏源证券承销保荐有限责任公司（以下简称"保荐机构"）对上述事项出具了 核查意见。本事项无需提交股东大会审议。 ? 特别风险提示：尽管公司选择购买安全性高、流动性好、风险等级低 的保本型产品进行现金管理，但金融市场主要受货币政策等宏观经济的影响， 公司将根据经济形势以及金融市场的变化适时适量地介入，但不排除该项投 资受到市场波动的影响。 一、募集资金的基 ...

申万宏源证券承销保荐有限责任公司 关于四川华丰科技股份有限公司使用部分暂时闲置募集资金 及自有资金进行现金管理的核查意见 申万宏源证券承销保荐有限责任公司（以下简称"申万宏源"或"保荐机构"） 作为四川华丰科技股份有限公司（以下简称"华丰科技"或"公司"）的保荐机构和 主承销商，根据《证券发行上市保荐业务管理办法》《上市公司募集资金监管规则》 《上海证券交易所科创板上市公司自律监管指引第1号——规范运作》《上海证券交 易所科创板股票上市规则》《科创板上市公司持续监管办法（试行）》等有关规定， 对华丰科技使用部分暂时闲置募集资金进行现金管理的事项进行了审慎核查。核查的 具体情况及核查意见如下： 一、募集资金基本情况 经上海证券交易所审核同意，并根据中国证券监督管理委员会出具的《关于同意 四川华丰科技股份有限公司首次公开发行股票注册的批复》（证监许可〔2023〕893 号，公司首次公开发行人民币普通股（A股）69,148,924股，每股发行价格9.26元，募 集资金总额为640,319,036.24元，坐扣承销和保荐费用不含税尾款44,453,525.97元后的 募集资金595,865,510.27元，已由主承销 ...

Summary of Key Points Core Viewpoint - The company plans to utilize temporarily idle raised funds for cash management to enhance fund efficiency and maximize shareholder returns while ensuring that it does not affect the construction and use of fundraising projects [4][5][8]. Fundraising Basic Situation - The company raised a total of RMB 198,616.94 million from its initial public offering (IPO) and RMB 142,131.35 million from the issuance of convertible bonds, with all funds received and verified by an accounting firm [2][3]. Fund Usage Situation - The net proceeds from the IPO are allocated to various projects, including a total investment of RMB 77,000 million for specific projects [3]. - The company has established a special account for the management of raised funds and signed a tripartite supervision agreement with the sponsor and the bank [3]. Cash Management Basic Situation - The purpose of cash management is to improve the efficiency of idle funds, ensuring safety and not affecting project progress [4]. - The company plans to invest up to RMB 460 million in low-risk, high-liquidity financial products, with a maximum investment period of one year [4][5]. Information Disclosure - The company commits to timely information disclosure in accordance with the regulations of the Shanghai Stock Exchange, ensuring that the use of raised funds remains unchanged [5]. Impact on Daily Operations - The cash management of idle funds will not affect the ongoing projects funded by the raised capital and is expected to enhance the company's operational efficiency and market competitiveness [6][8]. Review Procedures - The board of directors approved the cash management plan, which does not require shareholder meeting approval, ensuring compliance with relevant regulations [7][8]. Sponsor's Verification Opinion - The sponsor has confirmed that the company has followed necessary approval procedures and that the cash management will not adversely affect the investment projects or shareholder interests [8].

Core Viewpoint - The company is utilizing idle raised funds for cash management to enhance the efficiency of fund usage while ensuring that it does not affect the construction of projects funded by the raised capital [3][9]. Summary by Relevant Sections Investment Purpose - The investment aims to improve the efficiency of using raised funds while ensuring that it does not impact the construction of projects funded by these funds [3]. Investment Amount - The total investment amount for this cash management initiative is 300 million yuan [3]. Source of Funds - The funds are sourced from the company's initial public offering, which raised a total of approximately 1.437 billion yuan after deducting various fees [3]. Investment Types - The company is investing in fixed-term deposits and seven-day notice deposits [3][4]. Investment Details - The company has allocated 150 million yuan to fixed-term deposits with an expected annual yield of 1.20%, resulting in an estimated return of 4.6 million yuan [4]. - Additionally, 150 million yuan is allocated to seven-day notice deposits with an expected annual yield of 0.85% [4]. Investment Duration - The fixed-term deposit has a duration of three months, while the seven-day notice deposit has no fixed duration [5]. Impact on the Company - The cash management initiative is expected to enhance the efficiency of idle raised funds without affecting the normal operations of the company or the investment plans associated with the raised funds [7][9]. Compliance and Approval - The cash management initiative has been approved by the company's board and supervisory board, adhering to relevant regulations and ensuring that it does not alter the intended use of the raised funds [9]. Financial Overview - As of March 31, 2025, the company's total assets were approximately 485.34 million yuan, with total liabilities of about 131.59 million yuan [7].

Core Viewpoint - The company has approved the use of idle raised funds for cash management, allowing up to RMB 400 million to be invested in safe and liquid financial products within a 12-month period [1][4]. Group 1: Cash Management Approval - The board of directors approved the use of idle raised funds for cash management, with a limit of RMB 400 million, ensuring that it does not affect the construction and use of the raised funds [1][4]. - The cash management products must be safe, liquid, and meet capital preservation requirements, sold by legally qualified financial institutions [1][4]. Group 2: Recent Cash Management Activities - The company redeemed a structured deposit product, receiving a total of RMB 50 million principal and RMB 78,900 in returns, which were transferred to the company's special account for raised funds [1][2]. - In the last twelve months, the company has engaged in cash management activities, including the purchase of various structured deposits and a seven-day notice deposit, with amounts of RMB 20 million and RMB 10 million respectively [2][3]. Group 3: Financial Performance and Returns - The company reported a total investment of RMB 80 million in cash management products over the last twelve months, with a maximum single-day investment of RMB 25 million [6]. - The cumulative return from cash management activities in the last year accounted for 6.27% of the company's net profit [6].

Core Viewpoint - The company has approved the use of idle raised funds for cash management, increasing the total amount to a maximum of RMB 70 million, aimed at improving fund utilization efficiency and ensuring safety in investments [1][2][3]. Investment Purpose - The investment aims to enhance the efficiency of raised funds, strengthen daily fund management, and ensure that the use of idle funds does not affect the construction of fundraising projects [1][4]. Investment Amount - The company plans to increase the cash management limit by up to RMB 15 million, bringing the total to a maximum of RMB 70 million [2][3]. Source of Funds - The funds originate from the company's initial public offering, which raised a total of approximately RMB 1.437 billion after deducting various fees [2]. Investment Types - The company intends to invest in seven-day notice deposits, which are characterized by high safety and liquidity [3][4]. Investment Duration - The investment can be rolled over within the approved limit until the expiration date of the previous cash management resolution on October 27, 2025 [4]. Implementation Method - The board of directors has authorized the chairman to make decisions and sign relevant contracts within the approved limits [4]. Financial Impact - The use of idle funds for cash management is expected to improve fund utilization efficiency without significantly impacting the company's main business, financial status, or cash flow [5][6]. Supervisory Opinions - The supervisory board and the sponsor institution have expressed support for the cash management plan, confirming that it complies with relevant regulations and does not harm the interests of shareholders [6][7].

Core Viewpoint - The company aims to enhance the efficiency of its raised funds by utilizing temporarily idle funds for cash management, ensuring safety and not affecting ongoing investment plans or normal operations [3][6]. Cash Management Overview - The amount used for cash management is RMB 5 million [5]. - The source of funds for this cash management is part of the temporarily idle funds raised from issuing convertible bonds [3][5]. - The cash management method involves a seven-day notice deposit with an annualized return rate of 0.65% [5][6]. - The cash management period is from June 30, 2025, to July 7, 2025, not exceeding 12 months [6]. Approval Process - The company held its fifth board meeting and supervisory board meeting on April 28, 2025, where it approved the use of up to RMB 400 million of temporarily idle funds for cash management, valid for 12 months from the approval date [5][6]. Impact on the Company - The use of idle funds for cash management will not affect the normal operation of investment projects and aims to improve fund utilization efficiency, thereby providing better returns for shareholders [6][7].

Core Viewpoint - The company has approved the use of idle raised funds for cash management, allowing up to RMB 300 million to be invested in safe and liquid financial products, ensuring that the investment plan remains unaffected [1] Group 1: Cash Management Implementation - The company has initiated cash management using RMB 6.46 million in a principal-protected deposit product with China Agricultural Bank, yielding an annualized fixed return of 0.65% [2] - The cash management period is set for a maximum of 12 months, with the possibility of rolling use of funds within the approved limit [1][2] Group 2: Risk Analysis and Control - The company acknowledges potential market volatility affecting actual returns from investments, but has implemented measures to mitigate risks by avoiding stocks and unsecured bonds [3] - The cash management strategy will not alter the intended use of raised funds and is designed to enhance fund efficiency and returns for the company and its shareholders [3] Group 3: Historical Cash Management Activities - Over the past twelve months, the company has successfully managed idle raised funds, with all matured financial products returning principal and interest as scheduled [4] - The current amount under cash management remains within the board's authorized limit, ensuring compliance with internal regulations [4]

Core Viewpoint - The company has announced an extension of the cash management plan for idle raised funds from its non-public issuance of A-shares and public issuance of convertible bonds, allowing for a maximum of RMB 17 billion and RMB 19 billion respectively for cash management [1][2][4] Summary by Sections 1. Basic Situation of Raised Funds - The total amount raised from the non-public issuance of A-shares is RMB 12.782 billion, with a net amount of RMB 12.776 billion after deducting issuance costs, used for introducing 31 aircraft and repaying company loans [2][3] - As of March 31, 2025, RMB 12.594 billion has been invested from the non-public issuance, generating RMB 0.457 billion in interest and cash management income, leaving a remaining amount of RMB 0.639 billion [3] - The total amount raised from the public issuance of convertible bonds is RMB 16 billion, with a net amount of RMB 15.980 billion after costs, used for aircraft purchases and working capital [3] - As of March 31, 2025, RMB 15.509 billion has been invested from the public issuance, generating RMB 0.710 billion in interest and cash management income, leaving a remaining amount of RMB 1.181 billion [3] 2. Specifics of Cash Management Extension - The maximum amount for cash management from the non-public issuance is set at RMB 7 billion, while for the public issuance, it is RMB 12 billion, with a rolling management approach [4][5] - The extension period for cash management is 12 months from the end of the previous authorization, specifically from June 23, 2025, to June 22, 2026, for non-public issuance and from October 23, 2025, to October 22, 2026, for public issuance [4][5] - The cash management products will include seven-day notice deposits and transferable large-denomination certificates of deposit [4] 3. Impact on the Company - The cash management of idle raised funds is conducted in compliance with national laws and regulations, ensuring no impact on the normal investment progress of raised funds [5][6] - This approach aims to enhance the efficiency of fund utilization and increase returns for the company and its shareholders [5][6] 4. Risk Control Measures - Strict management of raised funds will be implemented, ensuring that only idle funds are used for cash management and that no non-raised funds are mixed [6] - Continuous monitoring of deposit products will be conducted to ensure liquidity and safety of funds [6] - The sponsor institution will supervise the use of funds and the board and supervisory board have the right to inspect the fund usage [6]

Core Viewpoint - The company aims to enhance the efficiency of fund utilization by using temporarily idle raised funds for structured deposits, ensuring the safety of the raised funds and increasing company revenue while protecting shareholder interests [2][4]. Group 1: Fund Management Overview - The company has decided to utilize a total of RMB 800 million (80,000 million) of temporarily idle raised funds for structured deposits with two banks: China Bank and Industrial and Commercial Bank of China [3][4]. - The structured deposit amounts are divided between the two banks, with specific expected annualized returns of 1.05% and 1.72% [3][4]. Group 2: Decision-Making Process - The decision to manage cash through structured deposits was approved in the 53rd meeting of the 9th Board of Directors and reviewed by the 31st Supervisory Board meeting [4][5]. - The cash management products will not exceed RMB 3 billion and can be rolled over within 12 months, with each product having a maximum term of 12 months [5][6]. Group 3: Risk Management - The structured deposit business is considered low-risk, but the company acknowledges potential market fluctuations that could affect returns [5]. - The company has implemented measures to monitor the safety, duration, and yield of the cash management products to control risks effectively [5][6]. Group 4: Impact on Daily Operations - The structured deposits are managed by large state-owned commercial banks and are considered capital-protected products, ensuring that daily operations and investment projects are not affected [5][6]. - This cash management strategy is expected to improve the efficiency of raised fund utilization and increase company revenue, aligning with the interests of the company and its shareholders [5][6].