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。 特别提示： 温州宏丰电工合金股份有限公司 关于提前赎回"宏丰转债"的第六次提示性公告 | 证券代码：300283 | 证券简称：温州宏丰 | 编号：2025-077 | | --- | --- | --- | | 债券代码：123141 | 债券简称：宏丰转债 | | 2、可转债赎回条件满足日：2025 年 7 月 31 日 3、可转债停止交易日：2025 年 8 月 26 日 4、可转债赎回登记日：2025 年 8 月 28 日 5、可转债赎回日：2025 年 8 月 29 日 6、可转债停止转股日：2025 年 8 月 29 日 7、可转债赎回资金到账日（到达中国结算账户）：2025 年 9 月 3 日 8、投资者赎回款到账日：2025 年 9 月 5 日 9、赎回类别：全部赎回 12、风险提示：根据安排，截至 2025 年 8 月 28 日收市后仍未转股的"宏丰 转债"，将按照 100.92 元/张的价格强制赎回。因目前"宏丰转债"二级市场价 格与赎回价格存在较大差异，特提醒"宏丰转债"持券人注意在限期内转 ...

董事会 证券代码：300283 证券简称：温州宏丰 编号：2025-075 债券代码：123141 债券简称：宏丰转债 温州宏丰电工合金股份有限公司 关于实际控制人因可转债转股持股比例被动稀释 触及 1%整数倍的权益变动公告 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。 特别提示： 际控制人陈晓先生、林萍女士合计权益比例由 39.79%被动稀释至 38.99%，触及 会对公司经营及治理结构产生影响。 近日，温州宏丰电工合金股份有限公司（以下简称"公司"）因公司可转债 转股导致公司总股本增加，公司实际控制人在持股数量不变的情况下，合计权益 比例被动稀释，现将本次权益变动情况公告如下： 信息披露义务人 陈晓、林萍 住所 浙江省乐清市****** 权益变动时间 2025 年 8 月 4 日至 2025 年 8 月 5 日 权益变动过程 2025 年 8 月 4 日至 2025 年 8 月 5 日，因宏丰转债转 股导致公司总股本增加至 472,174,778 股，公司实 际控制人陈晓先生、林萍女士合计持股比例由 股票简称 温州宏丰 股票代码 300283 变动方向 ...

| 证券代码：300283 | 证券简称：温州宏丰 | 编号：2025-076 | | --- | --- | --- | | 债券代码：123141 | 债券简称：宏丰转债 | | 温州宏丰电工合金股份有限公司 关于提前赎回"宏丰转债"的第五次提示性公告 1、"宏丰转债"赎回价格：100.92 元/张（含当期应计利息，当期年利率为 2%，且当期利息含税），扣税后的赎回价格以中国证券登记结算有限责任公司深 圳分公司（以下简称"中国结算"）核准的价格为准。 自 2025 年 7 月 8 日至 2025 年 7 月 31 日，温州宏丰电工合金股份有限公司 （以下简称"公司"）股票已有 15 个交易日的收盘价格不低于"宏丰转债"当 期转股价格（5.35 元/股）的 130%（含 130%）（即 6.96 元/股），已触发"宏丰 转债"的有条件赎回条款（即：在转股期内，如果公司股票在任何连续三十个交 易日中至少十五个交易日的收盘价格不低于当期转股价格的 130%（含 130%））。 公司于 2025 年 7 月 31 日召开第六届董事会第三次（临时）会议，审议通过 了《关于提前赎回"宏丰转债"的议案》，结合当前市场及 ...

（文章来源：证券日报） 证券日报网讯 8月5日晚间，温州宏丰发布公告称，根据安排，截至2025年8月28日收市后仍未转股 的"宏丰转债"，将按照100.92元/张的价格强制赎回。因目前"宏丰转债"二级市场价格与赎回价格存在较 大差异，特提醒"宏丰转债"持券人注意在限期内转股，如果投资者未及时转股，可能面临损失，敬请投 资者注意投资风险。 ...

| 证券代码：300283 | 证券简称：温州宏丰 | 编号：2025-074 | | --- | --- | --- | | 债券代码：123141 | 债券简称：宏丰转债 | | 温州宏丰电工合金股份有限公司 关于提前赎回"宏丰转债"的第四次提示性公告 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。 特别提示： 1、"宏丰转债"赎回价格：100.92 元/张（含当期应计利息，当期年利率为 2%，且当期利息含税），扣税后的赎回价格以中国证券登记结算有限责任公司深 圳分公司（以下简称"中国结算"）核准的价格为准。 10、根据安排，截至 2025 年 8 月 28 日收市后仍未转股的"宏丰转债"，将 按照 100.92 元/张的价格强制赎回。本次赎回完成后，"宏丰转债"将在深圳证 券交易所（以下简称"深交所"）摘牌，特提醒"宏丰转债"持券人注意在限期 内转股。债券持有人持有的"宏丰转债"如存在被质押或被冻结的，建议在停止 转股日前解除质押或冻结，以免出现因无法转股而被赎回的情形。 11、债券持有人若转股，需开通创业板交易权限。投资者不符合创业板股票 适当性管理要 ...

Core Viewpoint - Wenzhou Hongfeng has established a wholly-owned subsidiary, Wenzhou Hongfeng New Materials Research Institute, with an investment of 10 million RMB to enhance its R&D capabilities and create a comprehensive innovation ecosystem in the new materials sector [1][2]. Group 1: Establishment of New Materials Research Institute - The core objective of the new materials research institute is to concentrate efforts on overcoming key technologies and enhancing independent innovation capabilities in the new materials field [2]. - The research institute aims to build a "R&D - pilot test - industrialization" full-chain transformation system, facilitating the transition from a single material supplier to a diversified material solutions provider [2]. - The institute will leverage Wenzhou Hongfeng's technological advantages in new materials and promote efficient sharing of talent and R&D equipment [2]. Group 2: Focus Areas and Technological Advancements - The research institute will focus on high-performance ultra-thin lithium battery copper foil, solid-state battery copper foil, high-end copper foil for PCBs, semiconductor etching lead frame materials, electrical contact and functional composite materials, and high-precision hard alloys [2]. - The company aims to achieve breakthroughs in critical common technologies and "bottleneck" areas through systematic theoretical research and cutting-edge technology development [2]. Group 3: Market Position and Strategic Partnerships - Wenzhou Hongfeng has become one of the largest providers of electrical contact functional composite materials and comprehensive solutions in China, with some product technical indicators reaching international advanced levels [3]. - The company has successfully entered the supply chains of international giants such as Eaton, Schneider Electric, and Siemens, highlighting its market competitiveness [3]. - The recent inclusion of Wenzhou Hongfeng's customers in NVIDIA's updated partner list for the 800V DC power architecture underscores the company's strong market position in related fields [3]. Group 4: Industry Trends and Opportunities - The national push for the rapid development of strategic emerging industries such as new energy, 5G communication, data centers, and computing centers is creating significant opportunities for composite materials [4]. - The establishment of the new materials research institute will help the company better meet market demands and strengthen collaborations with ecosystem clients like NVIDIA [4].

Core Viewpoint - Wenzhou Hongfeng has established a wholly-owned subsidiary, Wenzhou Hongfeng New Materials Research Institute, with an investment of 10 million RMB to enhance its R&D capabilities and create a comprehensive innovation ecosystem in the new materials sector [1][2]. Group 1: Establishment of New Materials Research Institute - The core objective of the new materials research institute is to concentrate efforts on overcoming key technologies and enhancing independent innovation capabilities in the new materials field [2]. - The research institute aims to build a "R&D—Pilot—Industrialization" full-chain transformation system, facilitating the transition from laboratory research to large-scale production [2]. - The institute will leverage Wenzhou Hongfeng's technological advantages in new materials and promote efficient sharing of talent and R&D equipment [2]. Group 2: Focus Areas and Technological Development - The research institute will focus on high-performance ultra-thin lithium battery copper foil, solid-state battery copper foil, high-end copper foil for PCBs, semiconductor etching lead frame materials, electrical contact and functional composite materials, and high-precision hard alloys [2]. - The company aims to achieve breakthroughs in critical common technologies and "bottleneck" areas through systematic theoretical research and cutting-edge technology development [2]. - The goal is to establish a leading position in new materials and technology innovation in China, with international influence, particularly in the electrical engineering, electronic information, new energy, semiconductor packaging, and high-end manufacturing sectors [2]. Group 3: Market Position and Strategic Partnerships - Wenzhou Hongfeng has become one of the largest providers of electrical contact functional composite materials and comprehensive solutions in China, with its technology and processes leading the domestic industry [3]. - The company has successfully entered the supply chains of international giants such as Eaton, Schneider Electric, and Siemens, highlighting its competitive market position [3]. - The recent inclusion of these companies in NVIDIA's partner list for the new 800V high-voltage direct current architecture underscores Wenzhou Hongfeng's role in the evolving market landscape [3]. Group 4: Industry Trends and Opportunities - The national push for the rapid development of strategic emerging industries such as new energy, 5G communication, data centers, and computing centers is increasing the demand for composite materials with superior performance [4]. - The establishment of the new materials research institute will help the company better meet market demands and strengthen collaborations with ecosystem clients like NVIDIA, positioning it to seize opportunities in the industry [4].

Core Viewpoint - The actual controllers of Wenzhou Hongfeng Electric Alloy Co., Ltd. experienced a passive dilution of their shareholding percentage due to the conversion of convertible bonds, reducing their combined equity from 40.68% to 39.79%, which may impact the company's operations and governance structure [1]. Summary by Relevant Sections Shareholding Changes - The actual controllers, Mr. Chen Xiao and Ms. Lin Ping, saw their combined equity percentage decrease from 40.68% to 39.79% due to the increase in total share capital resulting from the conversion of convertible bonds [1]. - The total share capital increased to 10,086,831 shares during the period from July 25, 2025, to August 1, 2025 [1]. Individual Shareholding Details - Mr. Chen Xiao's shareholding remained unchanged at 168,636,292 shares, but his percentage of total shares decreased from 37.26% to 36.45% [1]. - Ms. Lin Ping's shareholding also remained unchanged at 15,444,000 shares, with her percentage decreasing from 3.41% to 3.34% [1]. - The total number of shares held by both controllers remained at 184,080,292, but their combined percentage decreased from 40.68% to 39.79% [1]. Compliance and Legal Aspects - The shareholding change does not violate any laws or regulations, including the Securities Law and relevant management measures for listed companies [2].

证券代码：300283 证券简称：温州宏丰 编号：2025-073 债券代码：123141 债券简称：宏丰转债 温州宏丰电工合金股份有限公司 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。 特别提示： 圳分公司（以下简称"中国结算"）核准的价格为准。 按照 100.92 元/张的价格强制赎回。本次赎回完成后，"宏丰转债"将在深圳证 券交易所（以下简称"深交所"）摘牌，特提醒"宏丰转债"持券人注意在限期 内转股。债券持有人持有的"宏丰转债"如存在被质押或被冻结的，建议在停止 转股日前解除质押或冻结，以免出现因无法转股而被赎回的情形。 适当性管理要求的，不能将所持"宏丰转债"转换为股票，特提请投资者关注不 能转股的风险。 转债"，将按照 100.92 元/张的价格强制赎回。因目前"宏丰转债"二级市场价 格与赎回价格存在较大差异，特提醒"宏丰转债"持券人注意在限期内转股，如 果投资者未及时转股，可能面临损失，敬请投资者注意投资风险。 自 2025 年 7 月 8 日至 2025 年 7 月 31 日，温州宏丰电工合金股份有限公司 （以下简称"公司"）股票已有 15 ...

Core Viewpoint - Wenzhou Hongfeng has established a wholly-owned subsidiary, Wenzhou Hongfeng New Materials Research Institute, with an investment of 10 million RMB to enhance its R&D capabilities and create a collaborative innovation ecosystem in the new materials sector [1][7] Group 1: Investment and Establishment - The establishment of the Hongfeng New Materials Research Institute aims to consolidate R&D resources and improve the commercialization of technological achievements [1] - The research institute will focus on overcoming key technologies and enhancing independent innovation capabilities in the new materials field [1][7] Group 2: Market Potential and Growth - The Chinese metal composite materials market is projected to grow from 26.4 billion RMB in 2020 to 42 billion RMB in 2024, with a compound annual growth rate (CAGR) of 12.31%, further increasing to 61 billion RMB by 2027 [2] - The demand for high-performance alloy materials is driven by the rapid development of strategic emerging industries such as new energy and 5G communications [2] Group 3: Technological Advancements - The research institute will leverage AI algorithms to focus on core areas such as high-performance ultra-thin lithium battery copper foil and semiconductor etching materials [2] - The company has developed significant new materials, including precision composite materials for lithium batteries and silver-copper composite materials for electric circuit protection systems [6] Group 4: Industry Position and Capabilities - Wenzhou Hongfeng is recognized as a leading provider of new alloy functional composite materials and has established itself as a core supplier in strategic emerging industries [3][7] - The company has a total of 144 effective authorized patents, including 106 invention patents, showcasing its strong R&D capabilities and industry influence [6]