| 证券代码：300283 | 证券简称：温州宏丰 | 编号：2025-101 | | --- | --- | --- | | 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"宏丰转债"赎回结果的公告 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。 重要内容提示： 1、"宏丰转债"赎回数量：7,998 张 2、"宏丰转债"赎回兑付总金额：807,158.16 元（含当期利息） 3、"宏丰转债"摘牌日：2025 年 9 月 8 日 一、可转换公司债券基本情况 （一）可转换公司债券发行情况 经中国证券监督管理委员会"证监许可[2021]4152 号"文同意注册，公司 于 2022 年 3 月 15 日向不特定对象发行 321.26 万张可转换公司债券，每张面值 100 元，募集资金总额为人民币 32,126 万元，扣除相关发行费用后实际募集资 金净额为人民币 31,505.54 万元。发行方式采用向股权登记日收市后登记在册的 发行人原股东优先配售，原股东优先配售后余额部分（含原股东放弃优先配售部 分）通过深圳证券交易所（ ...

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。 | 证券代码：300283 | 证券简称：温州宏丰 | 编号：2025-102 | | --- | --- | --- | | 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"宏丰转债"摘牌的公告 重要内容提示： 一、可转换公司债券基本情况 （一）可转换公司债券发行情况 经中国证券监督管理委员会"证监许可[2021]4152 号"文同意注册，公司 于 2022 年 3 月 15 日向不特定对象发行 321.26 万张可转换公司债券，每张面值 100 元，募集资金总额为人民币 32,126 万元，扣除相关发行费用后实际募集资 金净额为人民币 31,505.54 万元。发行方式采用向股权登记日收市后登记在册的 发行人原股东优先配售，原股东优先配售后余额部分（含原股东放弃优先配售部 分）通过深圳证券交易所（以下简称"深交所"）交易系统网上向社会公众投资 者发行，余额由保荐机构（主承销商）包销。 （二）可转换公司债券上市情况 经深交所同意，公司可转换公司债券于 2022 年 4 ...

Core Viewpoint - Wenzhou Hongfeng (300283.SZ) is actively involved in the research, production, and sales of electrical contact materials and functional composite materials, which are widely used across various industries including aerospace, medical materials, 5G technology, and liquid cooling technology [1] Group 1: Applications and Innovations - The company's electrical contact materials and functional composite materials serve as fundamental components in numerous sectors, including industrial electrical equipment, consumer electronics, home appliances, automotive engineering, automation equipment, wind and solar power generation, and data centers [1] - In the 5G smart terminal sector, the company has developed specialized heat dissipation materials that have entered mass production, finding extensive applications in consumer electronics and 5G smart terminal devices [1] - In the medical field, the company has created materials for treating vascular tumors, medical imaging, and electrode surgical knives [1] Group 2: Material Properties and Supply - The company's metal matrix composite materials combine the high strength and corrosion resistance of stainless steel with the high thermal conductivity of copper, making them ideal for manufacturing condensers, oil coolers, and various heat exchangers [1] - Currently, these materials are being supplied to well-known domestic clients in the thermal management system sector [1]

Group 1 - The company Wenzhou Hongfeng announced that its subsidiary, Zhejiang Hongfeng Copper Foil Co., Ltd., has received a utility model patent certificate from the National Intellectual Property Administration [2] - The patent is titled "A Servo Adjustment Device for Preventing Liquid from Adhering to the Surface of Copper Foil" [2]

Group 1 - Weisheng Information won four projects in August with a total amount of 85.5377 million yuan, accounting for 3.12% of the company's total revenue for 2024 [1] - Longqi Technology's shareholder plans to reduce its stake by up to 4.09%, equating to a maximum of 19.1916 million shares [1] - Guojin Modern's subsidiary received a drug registration certificate for injectable Nicardipine, used for treating unstable angina [3][4] Group 2 - SAIC Motor reported a total vehicle sales of 363,400 units in August, a year-on-year increase of 41.04%, with new energy vehicle sales reaching 129,800 units, up 49.89% [5] - Kuka Home plans to invest 1.124 billion yuan to build a self-owned base in Indonesia, aiming to enhance its international strategy [6] - Samsung Medical's subsidiary signed a contract for an intelligent meter project in Egypt worth 58.8 million USD, approximately 419 million yuan [8] Group 3 - North Vehicle Blue Valley's subsidiary reported a total production of 10,587 units in August, a year-on-year decrease of 15.13%, while sales increased by 3.47% [12] - Xianghe Industrial signed contracts worth 400 million yuan for railway fastener system components [13] - Hengrui Medicine's HRS9531 injection has received acceptance for its marketing authorization application [14] Group 4 - Hualu Hengsheng resumed normal production after completing maintenance on production facilities [16] - Shanghai Pharmaceuticals' hydrochloride verapamil injection passed the consistency evaluation for generic drugs [18] - Shanghai Construction received approval for debt financing tools with a registration period of two years [20] Group 5 - Kangli Elevator terminated the sale of its wholly-owned subsidiary due to the buyer's failure to obtain necessary approvals [21] - Times Wan Heng appointed Li Zhizhong as the new deputy general manager [22] - Hanma Technology reported a total truck sales of 1,051 units in August, a year-on-year increase of 58.05% [24] Group 6 - Wenzhou Hongfeng's subsidiary received a utility model patent certificate for a servo adjustment device [26] - Yibin Technology received a project designation from a domestic new energy vehicle company, with an estimated total sales of 243 million yuan over five years [28] - Star Ring Technology's H-share issuance application was accepted by the China Securities Regulatory Commission [30] Group 7 - Microchip Bio's vice president resigned for personal reasons [31] - Zhongxin Co. announced the resignation of a non-independent director due to personal reasons [32] - Changcheng Military Industry's vice chairman resigned due to retirement [35] Group 8 - Jiukang Bio received four invention patent certificates related to detection reagents [36] - Meino Bio's subsidiary changed its registered address [37] - Kuangda Technology announced a potential change in control due to a share transfer [38] Group 9 - China Rare Earth confirmed no undisclosed significant matters amid stock price fluctuations [72]

Core Viewpoint - Wenzhou Hongfeng (300283) announced the receipt of a utility model patent certificate from the National Intellectual Property Administration for a device designed to prevent liquid from adhering to the surface of copper foil [1] Company Summary - The patent is titled "A Servo Adjustment Device for Preventing Liquid from Adhering to the Surface of Copper Foil" [1]

注：上述实用新型专利的专利权期限为十年，自申请日起算。 上述专利的取得不会对公司短期业绩产生重大影响，有利于发挥公司及子公 司自主知识产权优势，形成持续创新机制，提升公司及子公司核心竞争力。 特此公告。 温州宏丰电工合金股份有限公司 | 证券代码：300283 | 证券简称：温州宏丰 | 编号：2025-100 | | --- | --- | --- | | 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 关于子公司获得实用新型专利证书的公告 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。 温州宏丰电工合金股份有限公司（以下简称"公司"）控股子公司浙江宏丰 铜箔有限公司于近日收到由国家知识产权局颁发的 1 项实用新型专利证书，具体 情况如下： | 专利名称 | 专利号 | 专利申请日 | 授权公告日 | | 授权公告号 | | | --- | --- | --- | --- | --- | --- | --- | | 一种用于防止铜箔 | | | | | | | | 表面带液的伺服调 | ZL202422479990.3 ...

Core Points - The company announces the last trading day for the "Hongfeng Convertible Bonds" is August 28, 2025, after which unconverted bonds will be redeemed at a price of 100.92 CNY per bond [1][2][3] - The company has triggered the conditional redemption clause as the stock price has been above 130% of the conversion price for 15 trading days [2][10] - The board of directors has approved the early redemption of the bonds to reduce interest expenses and improve capital efficiency [3] Bond Details - The "Hongfeng Convertible Bonds" were issued on March 15, 2022, with a total of 3.2126 million bonds at a net face value of 31,505.54 million CNY each [3][4] - The initial conversion price was set at 6.92 CNY per share, which has been adjusted multiple times, currently standing at 5.35 CNY per share [5][6][8] - The bonds will be delisted from the Shenzhen Stock Exchange after the redemption is completed [2][11] Redemption Process - The redemption price is calculated based on the face value plus accrued interest, with the current interest rate at 2% [10][11] - The redemption will occur on September 5, 2025, with funds transferred directly to bondholders' accounts [11][12] - Bondholders are advised to convert their bonds before the deadline to avoid forced redemption [1][2]

Core Viewpoint - Wenzhou Hongfeng (300283) is actively developing its semiconductor materials business, focusing on etching lead frame materials essential for integrated circuit chip packaging [1] Company Summary - The company's subsidiary, Zhejiang Hongfeng Semiconductor Materials Co., Ltd., specializes in the research, manufacturing, and sales of etching lead frame materials [1] - These materials are critical for connecting internal and external circuits in chip manufacturing [1] - The company is currently advancing its product certification and market development efforts, although specific customer information is confidential [1] Industry Summary - The primary raw materials for semiconductor lead frames are currently sourced externally [1]

| 证券代码：300283 | 证券简称：温州宏丰 | 编号：2025-099 | | --- | --- | --- | | 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"宏丰转债"即将停止转股暨赎回前最后半个交易日的 重要提示性公告 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。 重要内容提示： 1、最后转股日：2025 年 8 月 28 日 因"宏丰转债"已停止交易，本公司特提醒投资者在期限内转股。2025 年 8 月 28 日为"宏丰转债"最后一个转股日，当日收市前，持有"宏丰转债"的投 资者仍可进行转股。2025 年 8 月 28 日收市后，仍未实施转股的"宏丰转债"将 停止转股，剩余可转债将按照 100.92 元/张（含税）的价格强制赎回。若被强制 赎回，投资者可能面临损失，敬请投资者注意投资风险。 2、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。 3、特提醒"宏丰转债"持有人注意在限期内转股。 特 ...