2024 年度募集资金存放与实际使用情况的核查意见 国融证券股份有限公司（以下简称"国融证券"或"保荐机构"）作为三门 三友科技股份有限公司（以下简称"三友科技"或"公司"）向不特定合格投资 者公开发行股票的保荐机构，根据《证券发行上市保荐业务管理办法》《北京证 券交易所股票上市规则（试行）》《北京证券交易所上市公司持续监管指引第 9 号 ——募集资金管理》等相关规定，对三友科技 2024 年度募集资金存放与实际使 用情况进行了核查，具体情况如下： 一、募集资金基本情况 （一）募集资金总额、净额及资金到账时间 国融证券股份有限公司 关于三门三友科技股份有限公司 经中国证券监督管理委员会《关于核准三门三友科技股份有限公司向不特定 合格投资者公开发行股票的批复》（证监许可〔2020〕1276 号）核准，公司向不 特定合格投资者公开发行不超过 1,430 万股新股，发行价格为 9.98 元/股，募集 资金总额为 14,271.40 万元，扣除各项发行费用 1,937.55 万元，实际募集资金净 额为 12,333.85 万元。截至 2020 年 7 月 16 日，上述募集资金已到账。中汇会计 师事务所（特殊普通合伙 ...

三门三友科技股份有限公司 内部控制审计报告 中国杭州市钱江新城新业路 8号 UDC 时代大厦 A 座 5-8 层、12 层、23层 www.zhepa.cn Floors5-8,12and23,Block A,UDC Times Building,No.8 Xinye Road, Qianjiang New City,Hangzhou Tel.0571-88879999 Fax.0571-88879000 此码用于证明波审计报告是否由具有执业许可的会计师事务所出身 您可使用手机"扫一扫"或进入 台 (http://acc.mof.gov.cn) 进行查验。 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。 四、财务报告内部控制审计意见 我们认为,三友科技公司于2024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。 中国杭州市钱江新城新业路 8号 UDC 时代大厦 A 座 5-8 层、12层、 ...

www.zhcpa.cn 录 II 关于三门三友科技股份有限公司 非经营性资金占用及其他关联资金往来情况的专项审核说明 中国杭州市钱江新城新业路 8 号 UDC 时代大厦 A 座 5-8 层、12 层、23 层 Floors5-8,12and23,Block A,UDC Times Building,No.8 Xinye Road, Qianjiang New City,Hangzhou Tel.0571-88879999 Fax.0571-88879000 | | 页 次 | | --- | --- | | 一、非经营性资金占用及其他关联资金往来情况的专项 | | | 审核说明 | 1-2 | | 二、非经营性资金占用及其他关联资金往来情况汇总表 | 3-4 | 中国杭州市钱江新城新业路 8号 UDC 时代大厦 A 座 5-8 层、12 层、23 层 Floors5-8,12and23,Block A,UDC Times Building,No.8 Xinye Road, Qianjiang New City,Hangzhou Tel.0571-88879999 Fax.0571-88879000 www. ...

中国杭州市钱江新城新业路 8 号 UDC 时代大厦 A 座 5-8 层、12 层、23 层 Floors5-8,12and23,Block A,UDC Times Building,No.8 Xinye Road，Qianjiang New City,Hangzhou Tel.0571-88879999 Fax.0571-88879000 www.zhcpa.cn 三门三友科技股份有限公司 年度募集资金存放与使用情况鉴证报告 录 目 | | 页 次 | | --- | --- | | 一、年度募集资金存放与使用情况鉴证报告 | 1-2 | | 二、三门三友科技股份有限公司关于 2024年度募集资金 | | | 存放与使用情况的专项报告 | 3-10 | 中国杭州市钱江新城新业路 8 号 UDC 时代大厦 A 座 5-8 层、12 层、23 层 Floors5-8,12and23,Block A,UDC Times Building,No.8 Xinye Road，Qianjiang New City,Hangzhou Tel.0571-88879999 Fax.0571-88879000 www.zhcpa. ...

Innovation and Patents - The company obtained 2 invention patents and 2 utility model patents during the reporting period, bringing the total to 27 invention patents and 44 utility model patents[9]. - The company has a total of 21 software copyrights, showcasing its focus on innovation and technology[9]. - The company is currently developing several projects aimed at enhancing product performance and reducing costs, including a fully automated production line for copper-clad steel cathode plates[107]. - The company is collaborating with Hangzhou University of Electronic Science and Technology on smart refining equipment, enhancing key technology development[110]. - The company is developing an automatic cleaning system for ventilation eyes, which will improve product structure and customer process[110]. - The company is working on an intelligent mobile machine for complex scenarios, filling a gap in its AGV project[110]. - The company aims to enhance product quality through the development of a conductive rod intelligent loading device[110]. - The company has implemented a material composition online sampling detection system to reduce laboratory testing frequency[110]. - The company has developed multiple new products in the non-ferrous metallurgy industry, leading to several patent authorizations[195]. Financial Performance - The company's operating revenue for 2024 reached ¥435,630,992.47, representing a year-over-year increase of 12.45% compared to ¥387,396,777.63 in 2023[30]. - The net profit attributable to shareholders decreased by 50.18% to ¥15,692,688.89 in 2024 from ¥31,500,138.12 in 2023[30]. - The gross profit margin for 2024 was 16.74%, down from 20.61% in 2023[30]. - The total assets decreased by 17.84% to ¥494,912,413.46 at the end of 2024, compared to ¥602,381,555.32 at the end of 2023[32]. - The total liabilities decreased significantly by 46.40% to ¥128,597,366.65 in 2024 from ¥239,942,367.70 in 2023[32]. - The net cash flow from operating activities plummeted by 92.16% to ¥2,466,443.36 in 2024, down from ¥31,454,376.18 in 2023[32]. - The basic earnings per share fell by 48.39% to ¥0.16 in 2024 from ¥0.31 in 2023[30]. - The company reported a decline in the weighted average return on equity to 4.32% in 2024 from 8.98% in 2023[30]. - The company’s inventory turnover rate improved to 3.62 in 2024, up from 2.30 in 2023[32]. - The company’s non-recurring gains and losses totaled ¥2,204,676.53 in 2024, compared to ¥3,382,628.63 in 2023[37]. Market and Sales - The company is committed to expanding its market presence and enhancing its product offerings through ongoing research and development efforts[9]. - The company emphasizes market expansion and customer loyalty through customized products and quality after-sales service[56]. - Domestic sales accounted for 431,879,774.57 yuan, representing an increase of 11.69% year-on-year, while foreign sales surged by 431.62% to 3,751,217.90 yuan[81]. - The sales revenue from cathode plates reached ¥372,990,050.02, accounting for 85.62% of the total operating income, indicating a high dependency on a single product[125]. Corporate Governance and Compliance - The company has a strong governance structure with a standard unqualified audit report issued by Zhonghui Accounting Firm[16]. - The company has received administrative regulatory measures from the China Securities Regulatory Commission, indicating potential compliance issues[159]. - The company has a total of 9 board members and 3 supervisors, ensuring a diverse governance structure[188]. - The company’s actual controllers, Wu Yong and Wu Junyi, are father and son, indicating a family relationship in management[189]. Research and Development - The company has a dedicated R&D center that conducts 4-11 projects annually, ensuring its technology remains at a leading domestic level[47]. - Research and development investment reached ¥25,542,888.44, up 9.05% year-on-year, with 2 new invention patents and 2 utility model patents added[57]. - The company is focused on the research and development of new equipment and materials for hydrometallurgy in the non-ferrous metal industry[118]. - The total number of R&D personnel decreased from 48 to 44, with the proportion of R&D staff to total employees rising from 14.81% to 17.91%[105]. Shareholder and Capital Structure - The company has a total of 61,365,340 restricted shares, which is 59.64% of the total shares, reflecting an increase of 3,926,338 shares during the reporting period[161]. - The largest shareholder, Wu Yong, holds 35,873,836 shares, representing 34.86% of the total shares, with no changes in the controlling shareholder during the reporting period[165]. - The company reported a decrease in unrestricted shares from 45,520,998 to 41,529,860, a reduction of 3,991,138 shares, which is a 4.85% decrease[161]. - The company has implemented a share buyback program[134]. - The company approved a cash dividend of 1.20 per 10 shares, amounting to a total cash distribution of 12,319,296.00[183]. Strategic Initiatives - The company plans to implement the new accounting policy effective January 1, 2024, which will impact the classification of warranty costs into "main business costs/other business costs" instead of "selling expenses" starting April 1, 2024[40]. - The company is considering strategic acquisitions to bolster its portfolio, with potential targets identified in the I sector[200]. - The company plans to enhance its product structure by developing new products such as copper-clad steel cathode plates and AGV intelligent transfer vehicles[121]. - The company is actively seeking to mitigate risks associated with customer acquisition and market fluctuations by enhancing its sales team and establishing new sales channels[125]. Social Responsibility - The company is committed to corporate social responsibility, actively participating in charitable donations and local economic development initiatives[117]. - The company has established maintenance stations in economically underdeveloped areas since 2018, providing stable employment opportunities[116].

，较上期变化：-423.64万股 。 三、分红送配方案情况 二、前10名无限售条件股东持股情况 前十大流通股东累计持有： 1651.9万股，累计占流通股比： 39.78% | 名称 | 持有数量(万股) | 占总股本比例(%) | 增减情况(万股) | | --- | --- | --- | --- | | 吴用 | 896.85 | 21.60 | 不变 | | 吴俊义 | 584.33 | 14.07 | 不变 | | 宋杨 | 39.39 | 0.95 | 新进 | | 余红霞 | 35.61 | 0.86 | 新进 | | 韩耀君 | 30.00 | 0.72 | 新进 | | 吴亚平 | 28.02 | 0.67 | 不变 | | 郑美芳 | 24.45 | 0.59 | 新进 | | 梁建明 | 13.25 | 0.32 | 不变 | | | 较上个报告期退出前十大股东有 | | | | 李彩球 | 351.00 | 7.77 | 退出 | | 邓生平 | 82.46 | 1.83 | 退出 | | 何书军 | 41.61 | 0.92 | 退出 | | 吴光芬 | 34.60 | 0.77 | ...

三友科技(834475)今日下跌27.61%，全天换手率6.91%，成交额4567.08万元，振幅35.79%。龙虎榜数据 显示，机构净买入283.97万元，营业部席位合计净卖出67.78万元。 北交所公开信息显示，当日该股因日涨跌幅达到-27.61%、日价格振幅达35.79%上榜，机构专用席位净 买入283.97万元。 证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交1540.36万元，其中，买入成交额为 878.28万元，卖出成交额为662.09万元，合计净买入216.19万元。 具体来看，今日上榜的营业部中，共有1家机构专用席位现身，即买一，买入金额306.38万元，卖出金 额22.40万元，合计净买入283.97万元。 近半年该股累计上榜龙虎榜6次，上榜次日股价平均涨11.23%，上榜后5日平均涨7.94%。（数据宝） 三友科技4月7日交易公开信息 | 买/ 卖 | 会员营业部名称 | 买入金额（万元） | 卖出金额（万元） | | --- | --- | --- | --- | | 买一 | 机构专用 | 306.38 | 22.40 | | 买二 | 东方财富证券股份有限公司拉萨东环路第二 ...

Financial Performance - The company's operating revenue for 2023 is expected to be CNY 399,318,410.20, representing a year-on-year increase of 15.52%[5] - The net profit attributable to shareholders is expected to be CNY 33,872,323.86, a decrease of 28.87% compared to the previous year[5] - The net profit attributable to shareholders after deducting non-recurring gains and losses is expected to be CNY 30,845,733.55, an increase of 14.23% year-on-year[5] - Basic earnings per share are expected to be CNY 0.34, down 26.09% from the previous year[5] - The earnings per share attributable to shareholders is expected to be CNY 3.58, an increase of 6.55% from the beginning of the period[5] Assets and Equity - Total assets at the end of the reporting period are expected to be CNY 601,943,221.14, an increase of 3.45% from the beginning of the period[5] - Shareholders' equity attributable to the company is expected to be CNY 361,636,654.18, up 6.46% from the beginning of the period[5] Revenue Drivers - The increase in operating revenue is primarily due to the recovery of downstream demand and an increase in orders on hand[6] Profitability Concerns - The decrease in net profit is mainly attributed to a prior year's investment dividend of CNY 10,131,300 and a significant decline in fair value gains from indirectly held listed company shares[6] Cautionary Note - The company warns that the financial data is preliminary and not audited, urging investors to be cautious[7]

| 序号 | 股东姓名 | 是否为控股 股东、实际 | 董事、监 事、高级 | 本次解限 | 本次解除 限售登记 | 本次解除 限售股数 | 尚未解 除限售 | | --- | --- | --- | --- | --- | --- | --- | --- | | | 或名称 | 控制人或其 | 管理人员 | 售原因 | 股票数量 | 占公司总 | 的股票 | | | | 一致行动人 | 任职情况 | | | 股本比例 | 数量 | | 1 | 陈顺保 | 否 | 离任 | B | 520,000 | 0.5054% | 200,000 | | | | 合计 | | — | 520,000 | 0.5054% | 200,000 | 注：解除限售原因： A 董事、监事、高级管理人员每年解除限售 B 离职董事、监事、高级管理人员解除限售 C 自愿限售解除限售 D 限制性股票解除限售 E 公开发行前特定主体股票解除限售上市 F 参与战略配售取得股票解除限售上市 G 其他（说明具体原因） 三、本次股票解除限售后的股本情况 | | 股份性质 | 数量（股） | 百分比 | | --- | --- | --- | -- ...

证券代码：834475 证券简称：三友科技 公告编号：2025-016 3、招标方式：公开招标 4、项目名称：营口建发盛海有色科化有限公司多金属复杂金银矿综合回收 技术升级搬迁扩建项目-电解不锈钢阴极板 5、中标总价：10,500.82 万元（含税，实际金额以合同为准） 三门三友科技股份有限公司 重大项目中标公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 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个别及连 带法律责任。 三门三友科技股份有限公司（以下简称"公司"）于近日成功中标"营口建 发盛海有色科化有限公司多金属复杂金银矿综合回收技术升级搬迁扩建项目-电 解不锈钢阴极板"，现将有关情况公告如下： 一、项目基本情况 1、招标方：营口建发盛海有色科化有限公司 2、招标代理机构：辽宁国信建设工程管理有限公司 《中标通知书》。 三门三友科技股份有限公司 董事会 2025 年 2 月 5 日 二、对公司的影响 本次中标的项目属于公司主营业务范畴，是公司核心竞争力的体现，预计将 对公司业务发展、经营业绩、市场拓展及品牌效应产生积极影响。该项目合同的 签订不构成关联交易，该 ...