国泰海通证券股份有限公司 关于 兄弟科技股份有限公司 2023年度向特定对象发行A股股票 之 发行保荐书 保荐人（主承销商） （中国（上海）自由贸易试验区商城路 618 号） 二〇二五年五月 发行保荐书 国泰海通证券股份有限公司 关于兄弟科技股份有限公司 2023 年度向特定对象发行 A 股股票之发行保荐书 深圳证券交易所： 国泰海通证券股份有限公司（以下简称"国泰海通"、"保荐人"或"本保 荐人"）接受兄弟科技股份有限公司（以下简称"兄弟科技"、"公司"或"发行 人"）的委托，担任兄弟科技本次向特定对象发行 A 股股票的保荐人。国泰海通 及其保荐代表人根据《中华人民共和国公司法》（以下简称"《公司法》"）、《中 华人民共和国证券法》（以下简称"《证券法》"）、《上市公司证券发行注册管理 办法》（以下简称"《注册管理办法》"）、《证券发行上市保荐业务管理办法》（以 下简称"《保荐管理办法》"）等法律法规和中国证券监督管理委员会（以下简称 "中国证监会"）、深圳证券交易所（以下简称"深交所"）的有关规定，诚实守 信，勤勉尽责，严格按照依法制订的业务规则、行业执业规范和道德准则出具 本发行保荐书，并保证本发行保荐 ...

证券代码：002562 证券简称：兄弟科技 公告编号：2025-036 注：海宁兄弟皮革有限公司的实际控制人为钱志达、钱志明。 本次质押是对 2024 年 5 月 17 日钱志明先生与中国民生银行股份有限公司嘉兴分行办理 的股票质押进行的展期业务，具体内容详见公司于 2024 年 5 月 21 日在《证券时报》及巨潮 资讯网（http://www.cninfo.com.cn）上披露的《关于控股股东、实际控制人部分股份质押的公 告》（公告编号：2024-045）。 兄弟科技股份有限公司 关于控股股东、实际控制人部分股份质押展期的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 兄弟科技股份有限公司（以下简称"公司"）于近日收到公司控股股东、实际控制人钱志 明先生的通知，获悉其所持有本公司的部分股份办理了质押展期手续，具体情况如下： 一、股东股份质押基本情况 | | | 本次 | | | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- ...

Core Viewpoint - The PEEK (Polyetheretherketone) material concept stocks have experienced significant volatility recently, with notable price fluctuations among various companies in the sector, indicating the need for careful investment evaluation [3][4]. Company Performance - Zhongxin Fluorine Materials (中欣氟材) saw its stock price hit a daily limit down after achieving six limit up days in the previous nine trading days, with a cumulative increase of over 100% since April 9, reaching a peak price of 23.57 yuan per share [4]. - In 2024, Zhongxin Fluorine Materials reported total revenue of 1.404 billion yuan, showing growth compared to the previous year, despite a net loss of 186 million yuan, slightly improved from a loss of 188 million yuan in the prior year [5][6]. - The company experienced an increase in management, research and development, and financial expenses, with management costs exceeding 100 million yuan, while sales expenses decreased [5]. Industry Trends - The PEEK material industry is gaining attention due to its applications in various sectors such as robotics, aerospace, automotive, industrial, electronics, and medical fields [3]. - The PEEK material supply chain includes upstream raw material suppliers and midstream manufacturers, with significant interest in companies producing key raw materials like DFBP (4,4'-difluorobenzophenone) [7][8]. - Newhan New Materials (新瀚新材) and Brother Technology (兄弟科技) have also seen substantial stock price increases, with Newhan New Materials reporting a doubling of its stock price in the past month [7][8]. Financial Performance of Key Players - Newhan New Materials produces DFBP, a crucial raw material for PEEK, and has seen rapid expansion in downstream applications, indicating a growing market potential [7]. - Brother Technology has completed a project to produce 20,000 tons of phenol annually, which is now being sold to major domestic producers, and has entered the PEEK market [8]. - Zhongyan Co. (中研股份) reported a 6.51% increase in sales volume to 965.51 tons, but a 5.05% decline in revenue to 277 million yuan, with a net profit decrease of 27.99% [9]. - Tongyi Co. (同益股份) reported a revenue decrease of 5.57% to 3.075 billion yuan and a net loss of 95.52 million yuan, a significant decline from the previous year's profit [9].

证券代码：002562 证券简称：兄弟科技 公告编号：2025-035 兄弟科技股份有限公司 关于举行 2024 年度网上业绩说明会的通知 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 兄弟科技股份有限公司（以下简称"公司"）2024 年年度报告及摘要已于 2025 年 4 月 26 日公布。为便于广大投资者更加全面深入地了解公司经营业绩、发展战略等情况，公司定于 2025 年 5 月 16 日（星期五）15:00-17:00 在"价值在线"（www.ir-online.cn）举办 2024 年度网 上业绩说明会，与投资者进行沟通和交流，广泛听取投资者的意见和建议。 一、说明会召开的时间、地点和方式 会议召开时间：2025 年 5 月 16 日（星期五）15:00-17:00 会议召开地点：价值在线（www.ir-online.cn） 会议召开方式：网络互动方式 二、参加人员 公司总裁李健平先生、财务负责人及副总裁张永辉先生、董事会秘书钱柳华女士、独立 董事章智勇先生（如遇特殊情况，参会人员可能进行调整）。 三、投资者参加方式 投资者可于 2025 年 5 ...

Group 1 - The core viewpoint of the news highlights a mixed performance in the livestock breeding sector, with the China Livestock Breeding Index experiencing a slight decline of 0.07% as of April 30, 2025, while specific stocks like Tiankang Biological and Tianma Technology showed gains [1] - The Agricultural and Rural Affairs Department has released an implementation plan aiming to reduce the proportion of grain used in livestock feed to 60% and soybean meal to 10% by 2030, promoting measures such as precise feed formulation and the development of high-quality forage [1] - The Livestock ETF has seen a 2.47% increase over the past month, ranking in the top quarter among comparable funds [1] Group 2 - According to a report from Guosheng Securities, the allocation of the livestock sector in fund heavy positions has significantly decreased, with a first-quarter heavy position ratio of 0.45%, down 0.06 percentage points from the previous quarter and 0.65 percentage points year-on-year, marking the lowest level in three years [2] - The current price-to-earnings ratio (PE-TTM) of the Livestock ETF is 12.89, indicating it is at a historical low, being below 98.82% of the time over the past year [2] - The China Livestock Breeding Index includes companies involved in livestock feed, veterinary drugs, and livestock farming, reflecting the overall performance of listed companies in the livestock sector [2] Group 3 - As of March 31, 2025, the top ten weighted stocks in the China Livestock Breeding Index accounted for 69.05% of the index, with Hai Da Group, Wens Foodstuffs, and Muyuan Foods being the top three [3] - The weightings of the top stocks include Hai Da Group at 11.24%, Wens Foodstuffs at 10.10%, and Muyuan Foods at 10.08%, with Tiankang Biological showing a notable increase of 2.88% [5]

Market Overview - The Shanghai Composite Index fell by 0.05% on April 29, with 19 out of the 28 sectors experiencing gains, led by the beauty and personal care sector with a rise of 2.60% and machinery equipment sector with an increase of 1.44% [1] - The basic chemical industry saw an increase of 0.87% [1] - The sectors with the largest declines were utilities and comprehensive sectors, down by 1.78% and 0.97% respectively [1] Capital Flow Analysis - The net outflow of capital from the two markets was 1.259 billion yuan, with 11 sectors experiencing net inflows [1] - The machinery equipment sector had the highest net inflow of capital, totaling 2.502 billion yuan, while the basic chemical sector followed with a net inflow of 615 million yuan [1] - The utilities sector had the largest net outflow, amounting to 2.127 billion yuan, followed by the oil and petrochemical sector with a net outflow of 551 million yuan [1] Basic Chemical Industry Performance - The basic chemical industry had a net inflow of 615 million yuan, with 297 out of 401 stocks in the sector rising, including 16 stocks hitting the daily limit [2] - The top three stocks with the highest net inflow in the basic chemical sector were Zhongxin Fluorine Materials with 171 million yuan, Water Holdings with 159 million yuan, and Red Wall Holdings with 151 million yuan [2] - The stocks with the largest net outflow included Brother Technology with 127 million yuan, Huafeng Superfiber with 116 million yuan, and Zhongyida with 87.5 million yuan [2][4] Top Gainers in Basic Chemical Industry - The top gainers in the basic chemical sector included: - Zhongxin Fluorine Materials: +10.02%, turnover rate 13.16%, net inflow 170.52 million yuan - Water Holdings: +7.05%, turnover rate 21.62%, net inflow 159.41 million yuan - Red Wall Holdings: +9.97%, turnover rate 39.31%, net inflow 150.53 million yuan [2] Top Losers in Basic Chemical Industry - The stocks with the largest losses in the basic chemical sector included: - Brother Technology: -0.21%, turnover rate 26.67%, net outflow 126.93 million yuan - Huafeng Superfiber: -3.22%, turnover rate 9.95%, net outflow 115.55 million yuan - Zhongyida: +7.86%, turnover rate 17.31%, net outflow 87.5 million yuan [4]

Group 1 - The PEEK materials concept saw a significant increase of 5.60%, leading the sector in gains, with 25 stocks rising, including notable performers like Juxailong and Xinhang New Materials, which hit the 20% limit up [1] - The top gainers in the PEEK materials sector included Zhongxin Fluorine Materials with a limit up, and other stocks like Fuheng New Materials and Zhongyan Co., which rose by 15.07%, 9.55%, and 7.92% respectively [1] - Conversely, the stocks that experienced the largest declines included China General Nuclear Power Technology, Shuanglin Co., and Brothers Technology, which fell by 2.96%, 0.92%, and 0.21% respectively [1] Group 2 - The PEEK materials sector attracted a net inflow of 400 million yuan from main funds, with 19 stocks receiving net inflows, and 5 stocks seeing inflows exceeding 30 million yuan [1] - Zhongxin Fluorine Materials led the net inflow with 171 million yuan, followed by Water Co., Xinhang New Materials, and Juxailong with net inflows of 159 million yuan, 129 million yuan, and 52.82 million yuan respectively [1] - The top three stocks by net inflow ratio were Zhongxin Fluorine Materials at 23.56%, Juxailong at 19.87%, and Water Co. at 17.38% [2]

Core Viewpoint - Brothers Technology (002562) has reported a turnaround in its financial performance for 2024, achieving significant growth and shifting its strategic focus towards a "manufacturing + service" model in key areas such as animal nutrition and human health [1][2] Financial Performance - In 2024, the company achieved total revenue of 3.441 billion yuan, a year-on-year increase of approximately 22% - The net profit attributable to shareholders was 40.81 million yuan, marking a return to profitability - For Q1 2025, total revenue reached 919 million yuan, up 12.1% year-on-year, with a net profit of 20.91 million yuan, also indicating a return to profitability [1] Strategic Focus and Market Position - The company aims to deepen its presence in its core sectors by expanding product applications and extending its existing industrial chain - Brothers Technology's main business includes pharmaceutical food and specialty chemicals, with leading market shares in vitamins and chromium salts, showcasing strong competitive advantages in brand, R&D, quality control, cost management, and marketing [1][2] Growth Drivers - The significant growth in 2024 is attributed to the company's efforts to align with industry policies and development directions, focusing on technological innovation and enhancing the entire industrial chain - The company has seen price increases in some vitamin products, higher sales volumes of vitamins, spices, and chromium salts, and a reduction in inventory costs, contributing to improved profitability [2] Project Developments - Brothers Technology is advancing projects such as the "Phenol Phase II Project" and "Annual Production of 50,000 Tons of Inorganic Chromium Powder," both of which commenced production in the first half of 2024 - The company is also enhancing its channel construction and market expansion to boost production capacity and sales [2] R&D and Product Development - The company is actively pursuing the development of raw materials and formulation products, with successful registrations for iodinated contrast agents and ongoing progress in other pharmaceutical registrations - In March 2025, the company's subsidiary received a drug registration certificate for a specific injection, with other formulation products also advancing through the registration process [3]

目 录 | 一、审计报告……………………………………………………… 第 1—6 | | 页 | | --- | --- | --- | | 二、财务报表……………………………………………………… 第 7—14 | | 页 | | （一）合并资产负债表…………………………………………… | 第 | 7 页 | | （二）母公司资产负债表………………………………………… | 第 | 8 页 | | （三）合并利润表………………………………………………… | 第 | 9 页 | | （四）母公司利润表………………………………………………第 | 10 | 页 | | （五）合并现金流量表……………………………………………第 | 11 | 页 | | （六）母公司现金流量表…………………………………………第 | 12 | 页 | | （七）合并所有者权益变动表……………………………………第 | 13 | 页 | | （八）母公司所有者权益变动表…………………………………第 | 14 | 页 | | | | 审 计 报 告 天健审〔2025〕7241 号 兄弟科技股份有限公司全体股东： 一、审计意见 我们审计了兄弟科技股 ...

目 录 三、内部控制的固有局限性 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。 兄弟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 们审计了兄弟科技股份有限公司（以下简称兄弟科技公司）2024 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 按照《企业内部控制基本规范》《企业内部控制应用指引》以及《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，并评价其有效性是兄弟 科技公司董事会的责任。 二、注册会计师的责任 我们的责任是在实施审计工作的基础上，对财务报告内部控制的有效性发表 审计意见，并对注意到的非财务报告内部控制的重大缺陷进行披露。 一、内部控制审计报告…………………………………………第 1—2 页 内部控制审计报告 天健审〔2025〕7234 号 四、财务报告内部控制审计意见 我们认为，兄弟科技公司于 2024 年 12 月 31 日按照《企业内部控制基本规 ...