证券代码：600172 证券简称：黄河旋风 公告编号：临 2024-038 独立财务顾问主办人变更后，公司持续督导独立财务顾问主办人为徐永军先 生、陈志超先生。本次变更不会影响诚通证券对公司的持续督导工作。公司对李 姗姗女士在任职期间为公司所做的贡献表示衷心的感谢。 特此公告。 河南黄河旋风股份有限公司董事会 2024 年 5 月 10 日 附件：简历 河南黄河旋风股份有限公司 关于变更持续督导独立财务顾问主办人的公告 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。 河南黄河旋风股份有限公司（以下简称"公司"）于近日收到诚通证券股份 有限公司（以下简称"诚通证券"，原新时代证券股份有限公司）出具的《关于 更换河南黄河旋风股份有限公司发行股份购买资产并募集配套资金暨关联交易 项目持续督导独立财务顾问主办人的通知函》。 诚通证券作为公司 2015 年发行股份购买资产并募集配套资金暨关联交易项 目（以下简称"本次重组"）的独立财务顾问，本次重组已通过中国证券监督管 理委员会的核准且已实施完毕，相关持续督导工作尚未结束。原独立财务顾问 ...

Financial Performance - The company expects a net loss of approximately -798.49 million yuan for the fiscal year 2023, a significant increase from the previously estimated loss of -645.02 million yuan [2]. - The net profit attributable to shareholders after deducting non-recurring gains and losses is projected to be -800.72 million yuan, compared to the earlier estimate of -651.85 million yuan [3]. - In 2022, the net profit attributable to shareholders was 30.82 million yuan, with a net profit of 15.76 million yuan after deducting non-recurring gains and losses [4]. Asset Impairment - The company has recognized an impairment loss of approximately -125.72 million yuan on its commercial real estate asset, the Zhengzhou R&D office building, due to a recent valuation assessment [6]. Communication and Reporting - The company has committed to improving communication with auditors to enhance the accuracy of future earnings forecasts [8]. - The financial data presented is preliminary and subject to confirmation in the annual report, highlighting the importance of investor caution [7].

证券代码：600172 证券简称：黄河旋风 公告编号：临 2024-035 河南黄河旋风股份有限公司 关于召开 2023 年度业绩说明会的公告 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。 https://roadshow.sseinfo.com/） 会议召开方式：上证路演中心网络互动 投资者可于 2024 年 5 月 14 日(星期二) 至 5 月 20 日(星期一)16:00 前登录 上证路演中心网站首页点击"提问预征集"栏目或通过公司邮箱 hhxfzjb@hhxf.com 进行提问。公司将在说明会上对投资者普遍关注的问题进行 回答。 河南黄河旋风股份有限公司（以下简称"公司"）已于 2024 年 4 月 30 日发 布公司 2023 年度报告，为便于广大投资者更全面深入地了解公司 2023 年度经营 情况、财务状况，公司计划于 2024 年 5 月 21 日上午 10:00-11:00 举行 2023 年 度业绩说明会，就投资者关心的问题进行交流。 一、 说明会类型 本次投资者说明会以网络互动形式召开，公司将针对 20 ...

Financial Performance - The company's operating revenue for Q1 2024 was ¥328,476,335.51, representing a decrease of 34.51% compared to the same period last year[5]. - The net profit attributable to shareholders was a loss of ¥105,861,600.54, with a basic and diluted earnings per share of -¥0.0760[5]. - Total revenue for Q1 2024 was ¥328,476,335.51, a decrease of 34.4% compared to ¥501,563,240.42 in Q1 2023[19]. - Net loss for Q1 2024 was ¥105,861,600.54, compared to a net loss of ¥15,833,518.31 in Q1 2023, indicating a significant increase in losses[20]. - In Q1 2024, the company reported a net loss attributable to shareholders of CNY -105,866,659.86, compared to a loss of CNY -15,795,243.86 in Q1 2023, indicating a significant decline in performance[21]. - Basic and diluted earnings per share for Q1 2024 were both CNY -0.0760, compared to CNY -0.0114 in the same period last year, reflecting a worsening financial position[21]. Cash Flow - The net cash flow from operating activities was ¥79,179,523.68, indicating a positive cash flow despite the loss in net profit[5]. - Cash inflows from operating activities totaled CNY 299,654,013.70 in Q1 2024, down 29.9% from CNY 427,181,901.36 in Q1 2023[24]. - The net cash flow from operating activities was CNY 79,179,523.68, an increase of 12.4% compared to CNY 70,432,925.25 in Q1 2023[24]. - Cash outflows for investing activities were CNY 20,734,422.24, significantly reduced from CNY 61,458,875.28 in Q1 2023, indicating a decrease in capital expenditures[24]. - The net cash flow from financing activities was CNY -45,378,570.72, a decline from a positive cash flow of CNY 111,773,150.87 in Q1 2023, suggesting tighter financing conditions[25]. - The company’s cash and cash equivalents at the end of Q1 2024 stood at CNY 318,239,873.95, down from CNY 474,406,737.09 at the end of Q1 2023, reflecting liquidity challenges[25]. Assets and Liabilities - Total assets at the end of the reporting period were ¥8,930,867,686.82, a decrease of 0.75% from the end of the previous year[6]. - Current liabilities totaled ¥5,993,310,093.15, slightly up from ¥5,963,872,542.43 at the end of 2023[16]. - The company's total assets decreased to ¥8,930,867,686.82 as of March 31, 2024, down from ¥8,998,406,685.49 at the end of 2023[15]. - Cash and cash equivalents decreased to ¥589,613,243.03 from ¥680,369,502.59, a decline of 13.4%[15]. - Accounts receivable increased to ¥810,567,903.12 from ¥834,801,482.23, showing a slight decrease of 2.9%[15]. - Inventory increased to ¥785,852,321.37 from ¥770,056,297.40, reflecting a growth of 2.3%[15]. - Long-term borrowings rose to ¥154,900,000.00 from ¥80,000,000.00, indicating a significant increase of 93.6%[16]. - The company's equity attributable to shareholders decreased to ¥2,387,521,400.73 from ¥2,493,388,060.59, a decline of 4.2%[16]. Shareholder Information - The total number of ordinary shareholders at the end of the reporting period was 94,088[10]. - The top ten shareholders included Xuchang State-owned Industrial Investment Co., holding 9.36% of shares, and Henan Huanghe Industry Group Co., holding 8.82%[10]. Non-Recurring Items - Non-recurring gains and losses amounted to ¥19,318,934.26, primarily due to government subsidies of ¥22,761,590.68[7]. - The decline in operating revenue was attributed to a decrease in sales prices of certain products compared to Q1 of the previous year[7]. - The company received CNY 243,180,991.47 from sales and services in Q1 2024, a decrease of 41.3% from CNY 414,836,315.48 in Q1 2023, indicating reduced revenue generation[23]. - The company reported a slight increase in tax refunds received, totaling CNY 2,153,118.43 in Q1 2024, compared to CNY 2,147,379.65 in Q1 2023[24].

Financial Performance - The company's operating revenue for 2023 was approximately ¥1.57 billion, a decrease of 34.67% compared to ¥2.41 billion in 2022[20]. - The net profit attributable to shareholders for 2023 was approximately -¥798.49 million, a significant decline from a profit of ¥30.82 million in 2022, representing a decrease of 2690.91%[20]. - The net cash flow from operating activities was approximately ¥438.81 million, down 37.82% from ¥705.66 million in 2022[20]. - The total assets at the end of 2023 were approximately ¥8.99 billion, a decrease of 6.61% from ¥9.64 billion at the end of 2022[20]. - The net assets attributable to shareholders decreased by 24.26% to approximately ¥2.49 billion from ¥3.29 billion in 2022[20]. - The basic earnings per share for 2023 was -¥0.5736, a decline of 2695.48% compared to ¥0.0221 in 2022[21]. - The weighted average return on equity for 2023 was -27.61%, a decrease of 28.55 percentage points from 0.94% in 2022[21]. - The company reported a total revenue of 1,250,000 for the fiscal year, reflecting a growth of 24.66% compared to the previous year[87]. - The company reported a net profit margin of 20% for Q3 2023, up from 18% in the previous year[89]. - The company's total revenue for 2023 was approximately ¥1.51 billion, a decrease of 26.0% compared to ¥2.05 billion in 2022[190]. Cash Flow and Assets - The net cash flow from operating activities decreased by 37.82% to ¥438,812,342.55 compared to the previous year[53]. - The company's total assets include cash of ¥680,369,502.59, which represents 7.56% of total assets, a decrease of 23.10% from the previous period[55]. - Cash and cash equivalents decreased to CNY 680,369,502.59 from CNY 884,751,630.62, representing a decline of approximately 23.1%[178]. - The ending balance of cash and cash equivalents decreased to ¥305,131,377.02 in 2023 from ¥353,641,588.94 in 2022[194]. - The net cash flow from financing activities was -¥252,087,479.60 in 2023, an improvement from -¥455,220,898.51 in 2022[194]. Research and Development - The company filed for 22 new patents and received 56 authorized patents in 2023, emphasizing its commitment to technological innovation[31]. - Research and development expenses increased by 2.54% to ¥77,950,291.62, representing 4.95% of total operating revenue[51]. - The company has established multiple national and provincial research platforms, enhancing its R&D capabilities in synthetic diamond technology[37]. - The company has developed nine key technologies for gem-quality diamond synthesis, achieving over 95% of produced diamonds in D and E color grades with VVS clarity[38]. - The company is investing heavily in R&D, particularly in the development of cultivated diamond technology, to improve economic efficiency and product quality[67]. Market and Industry Position - The company operates in the synthetic diamond industry, which has rapidly developed in China, becoming a global leader in the diamond supply chain[33]. - The market for cultivated diamonds is expanding, with significant investments in technology development and commercialization despite a decrease in sales prices[34]. - The company aims to enhance its core competitiveness and profitability by adhering to a customer-centric and market-oriented approach[32]. - The company is focusing on the development of diamond materials for applications in high-precision machining and aerospace industries[64]. - The company plans to enhance its position in the superhard materials industry, which is expected to expand due to increasing demand for high-performance materials[64]. Governance and Compliance - The company ensures compliance with governance regulations, maintaining independence between the controlling shareholder and the company[74]. - The company has established multiple internal disclosure management systems to enhance information transparency, ensuring timely, accurate, and complete disclosures during the reporting period[76]. - The company has implemented strict insider information management protocols, with no reported incidents of insider trading among directors and senior management during the reporting period[77]. - The internal control system has been actively audited, with external auditors assessing the effectiveness of internal controls over financial reporting as of December 31, 2023[79]. - The company has established a performance evaluation and incentive system linking management compensation to company performance[75]. Strategic Initiatives - The company plans to continue focusing on research and innovation, optimizing product structure, and enhancing risk management in 2024[32]. - The company aims to expand its production capacity and enhance its research in diamond materials for applications in third-generation semiconductors, nanomaterials, and functional materials[66]. - The company is considering strategic acquisitions to enhance its product portfolio, with a budget of 100 million allocated for potential deals[89]. - The company plans to enhance its digital marketing strategies, aiming for a 34.02% increase in customer engagement metrics[87]. - The company has approved a proposal for asset sales during the board meeting held on November 29, 2023[63]. Environmental and Social Responsibility - The company is committed to sustainable development, focusing on energy efficiency and the elimination of outdated production capacity in line with global trends[36]. - The company invested 9.527 million yuan in environmental protection during the reporting period[118]. - The company reduced carbon emissions by 109 tons through various energy-saving measures[124]. - The company actively fulfills its social responsibilities, contributing to local employment and participating in various charitable activities[127]. - The company emphasizes sustainable development and integrates social responsibility into its business strategy[125].

河南黄河旋风股份有限公司（以下简称"公司"）原定于 2024 年 4 月 20 日披露公 司《2023 年年度报告》，因公司《2023 年年度报告》的审计和编制工作进度晚于预期， 为确保公司信息披露的准确性和完整性，经向上海证券交易所申请，公司《2023 年年 度报告》披露时间将延期至 2024 年 4 月 30 日。 公司董事会对本次调整定期报告披露时间给广大投资者带来的不便致以诚挚的歉 意，敬请广大投资者谅解。 河南黄河旋风股份有限公司 关于定期报告延期披露的公告 本公司董事会及全体董事保证本公告内容不存在虚假记载、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责任。 证券代码：600172 证券简称：黄河旋风 编号：临 2024-025 公司所有公开披露的信息均以在指定信息披露媒体《上海证券报》及上海证券交易 所网站 www.sse.com.cn 披露为准。敬请广大投资者注意投资风险。 河南黄河旋风股份有限公司董事会 2024 年 4 月 18 日 特此公告。 ...

2、审议通过了《关于设立全资子公司的议案》 河南黄河旋风股份有限公司（以下简称"公司"）第九届董事会第十次会议通知于 2024 年 4 月 10 日以传真和电子邮件方式发出，于 2024 年 4 月 11 日上午 10:00 以通讯 方式召开。会议应到董事 9 人，实到 9 人。本次会议符合《中华人民共和国公司法》和 《公司章程》的规定，会议由董事长李戈先生主持，经与会董事审议，通过如下议案： 一、审议事项 1、审议通过了《关于设立合资公司暨关联交易的议案》 具体内容详见同日在上海证券报和上海证券交易所网站（www.sse.com.cn）披露的 相关公告。 表决结果：本议案以 5 票同意，0 票反对，0 票弃权获得通过。关联董事李戈、谭 红梅、周军民、肖铎回避表决。 证券代码：600172 证券简称：黄河旋风 编号：临 2024-022 河南黄河旋风股份有限公司 第九届董事会第十次会议决议公告 本公司董事会及全体董事保证本公告内容不存在虚假记载、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责任。 具体内容详见同日在上海证券报和上海证券交易所网站（www.sse.com.cn）披露 ...

证券代码：600172 证券简称：黄河旋风 公告编号:临 2024-024 河南黄河旋风股份有限公司 关于设立全资子公司的公告 一、对外投资概述 （一）河南黄河旋风股份有限公司（以下简称"公司"）根据战略发展需要， 公司以自有资金，拟投资设立全资子公司河南黄河旋风营销中心有限公司，上述 全资子公司独立运营。 （二）公司于 2024 年 4 月 11 日以通讯方式召开了第九届董事会第十次会议， 审议通过了《关于设立全资子公司的议案》，表决情况为 9 票同意，0 票反对， 0 票弃权。根据有关法律规定，本次对外投资事项无需提交股东大会审议批准。 （三）本次对外投资事项不属于关联交易，也不构成重大资产重组。 二、投资主体的基本情况 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个别及连带责任。 重要内容提示： ● 投资标的名称：河南黄河旋风营销中心有限公司(以下简称"营销中心"， 暂定名，以工商登记为准）。 ● 投资金额：人民币 5000 万元。 ● 风险提示：本次设立公司尚需获得市场监督管理部门的核准，存在不确 定性。请投资者注意投资风险。 ...

证券代码：600172 证券简称：黄河旋风 编号：临 2024-023 河南黄河旋风股份有限公司 关于设立合资公司暨关联交易的公告 本公司董事会及全体董事保证本公告内容不存在虚假记载、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责任。 重要内容提示： 一、关联交易概述 （一）基本情况 为支持超硬材料产业发展，开展设备更新提质升级，本着诚信合作，互利共赢原则， 公司与控股股东许昌产投、德申机械于 2024 年 4 月 8 日签署《合作协议》共同出资设 立许昌产投新质装备制造有限公司，注册资本 5,000 万元，许昌产投认缴 2,000 万元， 持股比例 40%；德申机械认缴 2,000 万元，持股比例 40%；公司认缴 1,000 万元，持股 比例 20%。 （二）审议情况 1 河南黄河旋风股份有限公司（以下简称"公司"）与控股股东许昌市国有产业投 资有限公司（以下简称"许昌产投"）、河南德申机械设备有限公司（以下简称 "德申机械"）共同出资设立许昌产投新质装备制造有限公司（以下简称"许 昌新质"）。 许昌产投为公司控股股东，本次交易构成关联交易，但不构成《上市公司重大 资产重组管 ...

证券代码：600172 证券简称：黄河旋风 编号：临 2024-019 河南黄河旋风股份有限公司 第九届董事会第九次会议决议公告 本公司董事会及全体董事保证本公告内容不存在虚假记载、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责任。 河南黄河旋风股份有限公司（以下简称"公司"）第九届董事会第九次会议通知于 2024 年 3 月 11 日以传真和电子邮件方式发出，于 2024 年 3 月 11 日下午 16:00 以现场 方式召开。会议应到董事 9 人，实到 9 人。本次会议符合《中华人民共和国公司法》和 《公司章程》的规定，会议由庞文龙先生主持，经与会董事审议，通过如下议案： 为更好地发挥董事会的作用，建立健全董事会内部机构，完善公司治理机制，公司 拟对原董事会审计委员会、董事会提名委员会、董事会薪酬与考核委员会、董事会战略 委员会成员进行调整，经与会董事讨论、审议，决定公司第九届董事会专门委员会人员 如下： 一、审议通过了《关于选举公司第九届董事会董事长、副董事长的议案》 选举李戈先生为公司第九届董事会董事长，庞文龙先生为第九届董事会副董事长。 任期自董事会审议通过之日起至本届 ...