证券代码：600558 证券简称：大西洋 公告编号：临 2024-017 号 四川大西洋焊接材料股份有限公司 关于变更会计师事务所的公告 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、准确性和完整性承担法律责任。 拟聘任的会计师事务所名称：信永中和会计师事务所（特 殊普通合伙）（以下简称"信永中和会计师事务所"） 原聘任的会计师事务所名称：四川华信（集团）会计师事 务所（特殊普通合伙）（以下简称"华信会计师事务所"） 变更会计师事务所的简要原因及前任会计师的异议情况 华信会计师事务所在为公司提供审计服务期间，勤勉、尽责，公 司对其辛勤工作和良好服务表示诚挚的感谢！ 一、拟聘任会计师事务所的基本情况 （一）机构信息 1. 基本信息 重要内容提示： 1 根据《国有企业、上市公司选聘会计师事务所管理办法》等有关 规定，公司连续聘任同一会计师事务所原则上不超过 8 年，鉴于华信 会计师事务所作为公司审计机构服务年限已超 8 年，为保持公司审计 工作的独立性、客观性、公允性，结合公司业务发展需求，公司拟聘 任信永中和会计师事务所为公司 2024 年度审计机构。公司 ...

证券代码：600558 证券简称：大西洋 公告编号：临 2024-015 号 （二）本次担保履行的决策程序 四川大西洋焊接材料股份有限公司 关于为控股子公司提供担保的公告 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、准确性和完整性承担法律责任。 重要内容提示： 一、担保情况概述 （一）担保基本情况 为满足云南大西洋日常经营活动对资金的需求，公司于 2024 年 5 月 22 日与中国工商银行股份有限公司呈贡支行签订了《最高额保证合 同》，为云南大西洋向中国工商银行股份有限公司呈贡支行申请的人民 币 2,000 万元（大写：贰仟万元整）综合授信额度提供连带责任保证， 1 被担保人名称：云南大西洋焊接材料有限公司（以下简称"云南大 西洋"），云南大西洋系四川大西洋焊接材料股份有限公司（以下简 称"公司"、"本公司"、"大西洋"）控股子公司 本次担保金额及已实际为其提供的担保余额：公司本次为云南大西 洋提供担保金额为人民币 2,000 万元；截至本公告日，公司已实际 为其提供的担保余额为人民币 0 万元 本次是否有反担保：无 对外担保逾期的累计数量：无 担保 ...

近日，自贡市市场监督管理局向大西洋申源出具了《登记通知书》 （（川市监自）登字[2024]第 2087 号），其中载明"大西洋申源公司 提交的注销登记申请材料齐全，符合法定形式，予以登记"，至此， 申源公司的工商注销登记手续已全部办理完毕。注销大西洋申源不会 对公司整体业务发展和持续盈利能力产生不利影响，亦不存在损害公 司及股东特别是中小股东利益的情形。 特此公告。 证券代码：600558 证券简称：大西洋 公告编号：临 2024-014 号 四川大西洋焊接材料股份有限公司 关于控股子公司注销完成的公告 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、准确性和完整性承担法律责任。 四川大西洋焊接材料股份有限公司（以下简称"公司"）控股子 公司四川大西洋申源特种材料科技有限责任公司（以下简称"大西洋 申源"）股东会于 2023 年 12 月 8 日作出决议，同意大西洋申源解散 并成立清算组进行清算。详情请见公司于 2023 年 12 月 9 日刊登在《中 国证券报》《上海证券报》《证券时报》及上海证券交易所网站 （www.sse.com.cn ）的《四川大西 ...

Financial Performance - The company's operating revenue for Q1 2024 was CNY 984,604,630.59, representing a year-on-year increase of 10.44%[5] - The net profit attributable to shareholders for the same period was CNY 30,034,382.88, reflecting a growth of 13.09% compared to the previous year[5] - Basic and diluted earnings per share were both CNY 0.0335, up by 13.18% from the same period last year[5] - Total operating revenue for Q1 2024 reached CNY 984.60 million, an increase of 10.4% compared to CNY 891.51 million in Q1 2023[18] - Net profit for Q1 2024 was CNY 36.25 million, up 14.4% from CNY 31.80 million in Q1 2023[20] - Operating profit for Q1 2024 was CNY 39.67 million, a slight increase from CNY 38.60 million in Q1 2023[18] Cash Flow - The net cash flow from operating activities was negative at CNY -36,840,023.33, an increase in outflow of 38.97% year-on-year[5] - Cash flow from operating activities showed a net outflow of CNY 36.84 million in Q1 2024, an improvement from a net outflow of CNY 60.37 million in Q1 2023[24] - The company's cash inflow from operating activities was CNY 681.25 million in Q1 2024, compared to CNY 632.73 million in Q1 2023, marking an increase of 7.7%[24] - Net cash flow from financing activities was -12,470,924.93, a decrease of 32.5% compared to -18,336,102.43 in the previous period[25] - The net increase in cash and cash equivalents was -58,898,905.85, compared to -85,930,529.64 in the previous period[25] Assets and Liabilities - Total assets at the end of Q1 2024 were CNY 3,159,610,851.29, a decrease of 0.78% from the end of the previous year[5] - Total assets as of Q1 2024 were CNY 3,159.61 million, a decrease from CNY 3,184.57 million in Q1 2023[16] - Total liabilities decreased to CNY 675.10 million in Q1 2024 from CNY 735.57 million in Q1 2023, indicating a reduction of 8.2%[16] - The company's total equity increased to CNY 2,484.51 million in Q1 2024 from CNY 2,448.99 million in Q1 2023, representing a growth of 1.4%[16] Shareholder Information - The number of common shareholders at the end of the reporting period was 31,755[9] - The largest shareholder, Sichuan Atlantic Group Co., Ltd., holds 33.3% of the shares and has pledged 40,000,000 shares[9] Research and Development - Research and development expenses increased to CNY 19.71 million in Q1 2024, compared to CNY 17.44 million in Q1 2023, reflecting a growth of 13.0%[18] Non-Recurring Gains - The company reported non-recurring gains of CNY 4,142,502.92, primarily from government subsidies and asset disposals[7] Cash and Cash Equivalents - Cash and cash equivalents at the end of the period totaled 326,726,656.97, up from 255,967,852.80, representing an increase of 27.7%[25] - The beginning balance of cash and cash equivalents was 385,625,562.82, up from 341,898,382.44[25] - Cash received from other financing activities amounted to 908,781.09, an increase of 45.2% from 625,588.04[25] - Cash paid for debt repayment was 43,829,577.78, down 28.7% from 61,463,147.86[25] - Cash paid for dividends, profits, or interest was 1,336,674.51, a decrease of 24.4% compared to 1,769,515.95[25] - The impact of exchange rate changes on cash and cash equivalents was 338,729.38, an increase from 83,747.33[25]

证券代码：600558 证券简称：大西洋 公告编号：临 2024-013 号 四川大西洋焊接材料股份有限公司 关于为控股子公司提供担保的公告 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、准确性和完整性承担法律责任。 重要内容提示： 一、担保情况概述 （一）担保基本情况 1 被担保人名称：自贡大西洋焊丝制品有限公司（以下简称"焊丝公 司"），焊丝公司系四川大西洋焊接材料股份有限公司（以下简称 "公司"、"本公司"、"大西洋"）控股子公司 本次担保金额及已实际为其提供的担保余额：公司本次为焊丝公司 提供担保金额为人民币 6,000 万元；截至本公告日，公司已实际为 其提供的担保余额为人民币 3,000 万元 本次是否有反担保：无 对外担保逾期的累计数量：无 任保证，担保的主合同期限自 2024 年 4 月 22 日起至 2025 年 4 月 21 日止。 本次担保无反担保，焊丝公司另一股东中钢焊材（英属维尔京群 岛）股份有限公司未提供担保。 （二）本次担保履行的决策程序 公司分别于2023年4月4日、6月16日召开第五届董事会第六十九次 会议和2022年年 ...

四川大西洋焊接材料股份有限公司 投资者关系活动记录表 一、会议情况 会议主题：公司 2023 年度业绩说明会 会议时间：2024 年 4 月 22 日(星期一)上午 10:00-11:00 会议形式：上证路演中心网络互动 公司参加人员：董事长：张晓柏 董事会秘书：曹铭 总会计师：胡国权 独立董事：张怀岭 二、会议主要内容 问题 1：请问未来的业绩会大幅增长吗？公司的股价走势如何？ 答：投资者您好！公司管理层及全体员工多年来始终致力于公司 核心竞争力的提升，为股东创造价值；而决定公司股价走势的因素较 多，包括但不限于公司业绩和大盘行情等。谢谢关注！ 问题 2：从 2023 年经营情况看，今年有哪些项目可以贡献收入 和利润？ 答：公司在今年将继续聚焦主业（焊接材料），在焊条、焊丝、焊 剂和药芯焊丝领域发挥和持续增强竞争力。公司未来的营收和利润 99%以上还是来源于上述主业。 问题 3：接下来公司重点业务重心会放在哪一项上面呢？ 答：公司未来将充分发挥国家级企业技术中心的产学研用创新平 1 台作用，紧盯国内产业升级和市场需求，抓住国内高端焊接材料因国 际形势变化带来的进口替代窗口期，积极研发配套焊接材料，加快推 进 ...

Financial Performance - The company's operating revenue for 2023 was CNY 3,438,365,680.60, an increase of 2.94% compared to CNY 3,340,025,905.66 in 2022[26]. - Net profit attributable to shareholders for 2023 reached CNY 101,313,558.88, reflecting a growth of 48.81% from CNY 68,082,420.22 in 2022[26]. - The basic earnings per share for 2023 was CNY 0.1129, up 48.94% from CNY 0.0758 in 2022[26]. - The company achieved a net cash flow from operating activities of CNY 206,751,584.68, an increase of 27.40% compared to CNY 162,280,229.93 in 2022[26]. - The total sales volume of welding materials in 2023 was 48.57 million tons, a 6.51% increase from 45.60 million tons in 2022[33]. - The company exported 51,900 tons of welding materials in 2023, representing a year-on-year growth of 7.23%[34]. - The gross profit margin for the main business in 2023 was 12.81%, an increase of 2.39 percentage points from 10.42% in 2022[33]. - Operating profit increased by 67.70% to CNY 135,731,500, driven by growth in gross profit[62]. - Total operating revenue amounted to CNY 3,438,365,680.60, representing a year-on-year increase of 2.94%[63]. - The company's total cost for the period was ¥2,983,310,214.83, with a slight increase of 0.41% compared to the previous year[74]. Shareholder Returns - The board approved a profit distribution plan, proposing a cash dividend of RMB 0.55 per 10 shares, totaling RMB 49.3683 million based on a total share capital of 897,604,831 shares as of December 31, 2023[4]. - For the 2023 fiscal year, the proposed cash dividend is RMB 0.55 per 10 shares, totaling RMB 49,368,265.71, which accounts for 48.73% of the net profit attributable to shareholders[173][178]. - The company has maintained a cash dividend policy, distributing a total of RMB 89,760,500 over the last three years, which represents 35.66% of the distributable profits during that period[172]. Corporate Governance - The company has established a comprehensive governance structure and internal control mechanisms to ensure compliance with regulations and protect investor interests[120]. - The company respects the rights of minority shareholders and ensures fair treatment in shareholder meetings, with separate voting results for significant matters affecting investor interests[121]. - The company’s board of directors and supervisory board are functioning effectively, with independent directors providing objective opinions to protect shareholder rights[122]. - The company has a transparent performance evaluation and incentive mechanism for senior management, linking compensation to performance assessments[124]. - The company maintains independent business operations and ensures that related transactions are conducted fairly, without harming the interests of non-related shareholders[124]. - The company disclosed a total of 48 periodic reports and announcements during the reporting period, ensuring compliance with regulatory requirements for information disclosure[125]. - The company has optimized and improved 11 internal control systems, enhancing its management level and risk prevention capabilities[126]. - The company’s governance structure complies with relevant laws and regulations, with no significant discrepancies noted[126]. Market Position and Strategy - The company maintains a leading position in the welding materials industry, with over 700 product varieties, accounting for 99.50% of total revenue and 99.99% of gross profit from its main products: welding rods, wires, and fluxes[44]. - The company is actively pursuing high-end welding materials production, addressing the demand for advanced manufacturing in the high-end equipment sector, and promoting green and flexible production methods[41]. - The company is focused on continuous optimization of product formulations and processes to enhance product quality stability and reduce production costs, aiming for a more efficient production process[36]. - The company plans to enhance its market service quality and shift towards solution-based market services[34]. - The company is focusing on the development of high-performance welding materials to meet the demands of the post-industrial and low-carbon economy[104]. - The company plans to increase the proportion of automated and high-value-added welding materials in its product mix, aiming for a competitive edge in the market[113]. Research and Development - The company is actively involved in R&D for new products in nuclear power, hydrogen energy, and photovoltaic sectors, aiming to improve its core competitiveness[35]. - The company holds 113 valid patents, including 98 invention patents, showcasing its strong R&D capabilities[55]. - Research and development expenses amounted to ¥235,311,893.15, accounting for 6.84% of total revenue[80]. - The company has 288 R&D personnel, representing 14.4% of the total workforce[81]. - The company is enhancing its innovation capabilities by establishing a leading welding materials and application technology innovation platform, focusing on original technology development[38]. Environmental Responsibility - The company adheres to green development principles, integrating environmental protection into its strategic planning[125]. - Environmental protection investments during the reporting period totaled RMB 9,151,600[184]. - During the reporting period, there were no environmental pollution incidents, and all pollutant discharges met national and local standards[186][187][188][189]. - The company has implemented a comprehensive waste management strategy, ensuring all hazardous waste is recorded in the provincial monitoring system[200]. - The company utilized low-nitrogen combustion for boiler emissions, ensuring reduced nitrogen oxide emissions[196]. Operational Efficiency - The company achieved a production volume of 479,300 tons, meeting 100.21% of its annual plan, with a year-on-year increase of 8.78%[62]. - Sales volume reached 485,700 tons, completing 99.96% of the annual target, reflecting a year-on-year growth of 6.51%[62]. - The company has established production bases in multiple cities, enhancing its strategic layout and reducing average sales radius[57]. - The company’s operational model includes a combination of direct sales and agency sales, enhancing market coverage and sales efficiency[51]. - The company aims to reduce operational costs by 15% through efficiency improvements in the supply chain[134]. Future Outlook - The company has outlined its future outlook and potential risks, advising investors to be cautious regarding investment risks[5]. - The company provided a future outlook with a revenue guidance of 1.5 billion RMB for 2024, representing a 25% increase[134]. - The company plans to optimize product structure and enhance market development, focusing on engineering projects to increase brand presence and sales[112]. - The company is expanding its market presence in Southeast Asia, targeting a 10% market share by 2025[134]. - The company plans to implement a new digital marketing strategy aimed at increasing brand awareness by 40%[134].

四川大西洋焊接材料股份有限公司 独立董事李子扬 2023 年度述职报告 根据中国证监会《上市公司独立董事管理办法》《上海证券交易 所上市公司自律监管指引第 1 号——规范运作》《上海证券交易所上 市公司自律监管指南第 2 号——业务办理》附件《第六号 定期报告》 等监管规则，以及四川大西洋焊接材料股份有限公司（以下简称"公 司"）《章程》《独立董事工作制度》《独立董事年报工作制度》等规定， 我作为公司独立董事能够独立公正地履行职责，及时了解公司生产经 营情况，关注公司重大事项，出席公司相关会议，审议董事会议案， 对相关事项发表事前认可和独立意见，促进公司董事会规范运作和科 学决策，维护公司和股东的合法权益。现将 2023 年度履职情况报告 如下： 一、基本情况 2023年3月17日，公司2023年第一次临时股东大会选举我为公司 第五届董事会独立董事，基本情况如下： 李子扬，男，汉族，1988年生，会计学博士。现任四川大学商学 院会计与公司金融系副教授、博士生导师，四川大学商学院学术型研 究生办公室主任，西藏高争民爆股份有限公司、四川六九一二通信有 限公司（非上市公司）、厦门三五互联科技股份有限公司独立董事等 ...

根据独立董事连利仙女士、李子扬先生、张怀岭先生签署的相关 自查文件以及核查其任职经历，上述人员未在公司担任除独立董事以 外的任何职务，也未在公司主要股东单位担任任何职务，与公司以及 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，符合《上市公司独立董事管理办法》《上海证券交易所股票 上市规则》《上海证券交易所上市公司自律监管指引第 1 号--规范运 作》等规定中对独立董事独立性的相关要求。 四川大西洋焊接材料股份有限公司 董事会 2024 年 4 月 3 日 关于独立董事独立性自查情况的专项意见 根据证监会《上市公司独立董事管理办法》、《上海证券交易所股 票上市规则》《上海证券交易所上市公司自律监管指引第 1 号--规范 运作》等有关要求，四川大西洋焊接材料股份有限公司（以下简称"公 司"）董事会就公司 2023 年度第五届董事会现任独立董事连利仙女 士、李子扬先生、张怀岭先生独立性情况进行评估并出具如下专项意 见： 四川大西洋焊接材料股份有限公司董事会 ...

我们认为，经对年度报告的编制过程进行核查，没有发现参与 2023 年年度报告编制和审议的人员存在违法违规的行为，公司 2023 年年度报告的编制和审议程序符合法律法规、规范性文件、公司章 程和公司内部管理制度的各项规定。公司 2023 年年度报告包含的信 息全面、准确地反映了公司报告期内的财务状况和经营成果。我们 同意公司 2023 年年度报告提交公司董事会审议。 二、关于公司 2023 年度内控评价报告的审核意见 四川大西洋焊接材料股份有限公司董事会审计委员会 关于公司第五届董事会第七十六次会议相关事项的书面 审核意见 根据《上海证券交易所股票上市规则》《上海证券交易所上市 公司自律监管指引第 1 号—规范运作》等有关规定，我们作为四川 大西洋焊接材料股份有限公司（以下简称 "公司"）第五届董事会审 计委员会委员，本着勤勉尽责、客观公正的原则，发挥专业职能， 对公司第五届董事会第七十六次会议审议的相关议案（预案）进行 了认真审阅，在全面了解有关情况后，发表审核意见如下： 一、关于公司 2023 年年度报告的审核意见 根据《企业内部控制基本规范》及其配套指引的规定和其他内 部控制监管要求，结合公司内部控制制度 ...