Industry Overview - Ferrite soft magnetic materials, primarily composed of Fe₂O₃, are produced using powder metallurgy and are widely applied in electronic components such as transformers and inductors [1][3] - China has become the world's largest producer of ferrite soft magnetic materials, with a mature application in traditional consumer electronics, industrial manufacturing, and energy sectors [1][14] - The industry is expected to see a sales volume of approximately 510,000 tons in 2024, representing a year-on-year growth of 6.25% [1][14] Application Demand - The demand for ferrite soft magnetic materials is driven by the growth in sectors such as new energy vehicles, photovoltaic systems, and big data [1][8] - In the new energy vehicle sector, production and sales are projected to reach 12.89 million and 12.87 million units respectively in 2024, with year-on-year growth rates of 34.4% and 35.5% [7][8] - The communication sector utilizes ferrite soft magnetic materials in 5G base station power supplies, which are critical for operational efficiency [10][12] Market Dynamics - The industry chain consists of upstream raw material supply (iron oxide, manganese oxide, zinc oxide), midstream production, and downstream applications in various sectors including home appliances and telecommunications [5][14] - The competitive landscape is fragmented, with many small enterprises relying on low-cost strategies, while key players like Hengdian East Magnetic and Spring Light Group hold stronger market positions [16][19] Development Trends - The industry is moving towards high performance and high-end products to meet the increasing demands of new energy vehicles and 5G technology [21] - Customization and personalization of products are becoming essential as electronic components evolve rapidly [22] - Automation and smart manufacturing are being integrated into production processes to enhance efficiency and reduce costs [24]

重要内容提示： | 回购方案首次披露日 | 2025/4/29 | | | | | | | --- | --- | --- | --- | --- | --- | --- | | 回购方案实施期限 | 年 月 月 2025 4 4 | 28 | 日~2026 | 年 | 27 | 日 | | 预计回购金额 | 2,500万元~5,000万元 | | | | | | | 回购用途 | □减少注册资本 √用于员工持股计划或股权激励 | | | | | | | | □用于转换公司可转债 | | | | | | | | □为维护公司价值及股东权益 | | | | | | | 累计已回购股数 | 7万股 | | | | | | | 累计已回购股数占总股本比例 | 0.0057% | | | | | | | 累计已回购金额 | 48.54万元 | | | | | | | 实际回购价格区间 | 6.93元/股~6.95元/股 | | | | | | 证券代码：600330 证券简称：天通股份 公告编号：2025-034 天通控股股份有限公司 关于股份回购进展公告 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 ...

证券代码：600330 证券简称：天通股份 公告编号：2025-033 天通控股股份有限公司 关于为子公司提供担保的进展公告 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： ●被担保人名称：天通控股股份有限公司（以下简称"公司"）子公司天通 银厦新材料有限公司（以下简称"天通银厦"），非公司关联人。 ●对外担保逾期的累计数量为零。 一、担保情况概述 （一）担保的基本情况 公司于近日与华夏银行股份有限公司银川凤凰北街支行（以下简称"华夏银 行"）签署了《最高额保证合同》，为天通银厦与华夏银行发生的授信业务提供不 超过人民币 10,000 万元的连带责任保证担保，担保期限自 2025 年 6 月 26 日至 2028 年 6 月 26 日。 （二）本次担保情况 单位：万元 | 担保 | 被担保方 | 担保额度 | 本次担 | 担保 | 剩余担 | 是否关 | 是否有 | | --- | --- | --- | --- | --- | --- | --- | --- | | 方 | | | 保金额 | 余额 | 保额 ...

天通控股股份有限公司 关于首次回购公司股份的公告 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。 证券代码：600330 证券简称：天通股份 公告编号：2025-32 天通控股股份有限公司（以下简称"公司"）于 2025 年 4 月 28 日召开的九届 十三次董事会审议通过了《关于以集中竞价交易方式回购公司股份方案的议案》， 同意公司通过上海证券交易所交易系统以集中竞价交易方式回购公司已发行的部 分 A 股股份。本次回购资金总额不低于人民币 2,500 万元（含）且不超过人民币 5,000 万元（含），回购价格不超过人民币 10 元/股（含），资金来源为自有资金 及回购股票专项贷款资金，回购期限自公司董事会审议通过本次回购方案之日起 12 个月内。具体内容详见公司于 2025 年 4 月 29 日、2025 年 5 月 9 日披露的《关 于以集中竞价交易方式回购公司股份方案的公告》《关于以集中竞价交易方式回购 股份的回购报告书》等相关公告。 二、首次回购股份情况 根据《上市公司股份回购规则》《上海证券交易所上市公司自律监管指引 ...

Core Viewpoint - The company has initiated a share repurchase plan with a total expected amount between 25 million and 50 million RMB, aimed at employee stock ownership plans or equity incentives [1][2]. Group 1: Share Repurchase Plan - The share repurchase plan was first disclosed on April 29, 2025, and will be implemented from April 28, 2025, to April 27, 2026 [1]. - The total amount expected for the repurchase is between 25 million and 50 million RMB [1]. - The repurchased shares will be used for employee stock ownership plans or equity incentives [1]. Group 2: Initial Repurchase Details - The company has repurchased a total of 70,000 shares, which accounts for 0.0057% of the total share capital [2]. - The total amount spent on the initial repurchase is 485,400 RMB, excluding transaction fees [2]. - The actual repurchase price ranged from 6.93 RMB to 6.95 RMB per share [2]. Group 3: Compliance and Future Actions - The company will adhere to the regulations set forth in the "Listed Company Share Repurchase Rules" and related guidelines during the repurchase period [2]. - The company will make repurchase decisions based on market conditions and will fulfill information disclosure obligations regarding the progress of the repurchase [2].

Summary of Key Points Core Viewpoint - The announcement details the provision of guarantees by Tian Tong Holdings Co., Ltd. for its subsidiaries, Tian Tong Precision Electric New Technology Co., Ltd. and Tian Tong Yinxia New Materials Co., Ltd., totaling RMB 25 million [2][3]. Group 1: Guarantee Overview - The total guarantee amount is RMB 25 million, with RMB 10 million for Tian Tong Precision Electric and RMB 15 million for Tian Tong Yinxia [2]. - The company has provided no collateral for these guarantees [2]. - The cumulative number of overdue external guarantees is zero [2]. Group 2: Guarantee Details - Tian Tong Holdings signed a maximum guarantee contract with CITIC Bank for Tian Tong Precision Electric, covering up to RMB 10 million from June 13, 2025, to June 13, 2028 [2][10]. - Tian Tong Yinxia signed a fixed asset loan contract with CITIC Bank for RMB 20 million, with an actual loan amount of RMB 5 million, and the guarantee for this loan is up to RMB 15 million from June 12, 2025, to August 29, 2027 [3][12]. Group 3: Internal Decision-Making Process - The board of directors approved a guarantee limit of up to RMB 70 million for 2025, allowing for mutual adjustment of guarantee limits among subsidiaries [3][12]. - The current guarantees do not exceed the authorized limit set by the board [3][12]. Group 4: Subsidiary Information - Tian Tong Precision Electric is a wholly-owned subsidiary with a registered capital of RMB 22.728 million, established in January 2006, focusing on electronic products and components [4][5]. - Tian Tong Yinxia is also a wholly-owned subsidiary with a registered capital of RMB 88.5 million, established in July 2014, specializing in sapphire crystals and related materials [7][8].

Core Viewpoint - The company is focusing on innovation and adapting to global economic changes by enhancing automation and smart logistics in its operations, with plans to concentrate on new materials and emerging fields such as artificial intelligence and green energy by 2025 [2][4]. Group 1: Company Strategy and Focus Areas - The company has a strong historical presence in magnetic materials, particularly soft magnetic materials, and has been recognized as a leader in this field, holding multiple international standards [3]. - The company is actively expanding its applications in the electric vehicle sector and has seen a significant increase in the use of its materials in this area [3]. - The company is leveraging opportunities in artificial intelligence, with its materials being widely used in server and GPU power supplies, and has noted a rise in application share in the server sector [3]. - The company aims to capitalize on the growth of piezoelectric materials, particularly in acoustic and optical applications, including AR smart glasses, which could present new growth opportunities [4]. Group 2: Industry Collaboration and Development - The company emphasizes deep collaboration with leading clients in the electric vehicle market to co-develop trend-driven products, aiming for higher profit margins and competitive advantages [5]. - The company has established multiple industrial bases across various regions to enhance service to key clients and strengthen its market position [6]. - The company is committed to continuous R&D investment and collaboration with universities and enterprises to bolster its technological capabilities [7]. Group 3: Global Expansion and Market Strategy - The company is shifting its export strategy from a traditional model to a collaborative approach, focusing on building a global network starting from Hong Kong [8]. - The Hong Kong subsidiary serves as a strategic hub for global operations, facilitating investment and resource integration [9]. - The company is pursuing collaborative innovation with industry partners abroad, exemplified by its partnership in Spain to develop high-performance materials for the European market [9].

证券代码：600330 证券简称：天通股份 公告编号：2025-031 关于为子公司提供担保的进展公告 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： ●被担保人名称：天通控股股份有限公司（以下简称"公司"）子公司天通 精电新科技有限公司（以下简称"天通精电"）、天通银厦新材料有限公司（以下 简称"天通银厦"），非公司关联人。 ●本次担保金额为 25,000 万元，其中为天通精电担保 10,000 万元，已实际 为其提供的担保余额为 0（未含本次担保）；为天通银厦担保 15,000 万元，已实 际为其提供的担保余额为 5,000 万元（未含本次担保）。 ●本次担保没有反担保。 ●对外担保逾期的累计数量为零。 一、担保情况概述 天通控股股份有限公司 （一）担保的基本情况 公司于近日与中信银行股份有限公司嘉兴海宁支行（以下简称"中信银行海 宁支行"）签署了《最高额保证合同》，为天通精电与中信银行海宁支行发生的授 信业务提供不超过人民币 10,000 万元的连带责任保证担保，担保期限自 2025 年 6 月 13 日 ...

Core Insights - The magnetic sensor market in China is experiencing robust growth, with the market size projected to increase from 3.71 billion yuan in 2018 to 9.95 billion yuan by 2024, representing a compound annual growth rate (CAGR) of 17.87% [1][18] - Key drivers of this growth include sustained demand from consumer electronics, automotive electronics, and industrial automation, as well as the application of emerging technologies [1][18] - The integration of magnetic sensors in various applications such as smartphones, electric vehicles, and smart home devices is further propelling market demand [1][18] Industry Overview - Magnetic sensors are essential components in modern electronic systems, capable of accurately measuring physical quantities by capturing changes in magnetic fields [1][3] - The industry is categorized into Hall sensors and magnetic resistance sensors, with the latter further divided into anisotropic magnetoresistance (AMR), giant magnetoresistance (GMR), and tunnel magnetoresistance (TMR) sensors [3][5] Market Segmentation - Hall sensors dominate the market, holding approximately 69% market share in China, with a market size projected to grow from 3.01 billion yuan in 2017 to 6.55 billion yuan by 2024, at a CAGR of 13.84% [7][19] - The magnetic resistance sensor market is also expanding rapidly, with the market size expected to grow from 660 million yuan in 2018 to 3.33 billion yuan by 2024, achieving a CAGR of 30.96% [21] - AMR sensors are projected to grow from 370 million yuan in 2018 to 1.41 billion yuan by 2024, with a CAGR of 24.98% [22] - GMR sensors are expected to increase from 150 million yuan in 2018 to 560 million yuan by 2024, with a CAGR of 24.55% [22] - TMR sensors are anticipated to grow from 140 million yuan in 2017 to 1.36 billion yuan by 2024, achieving a remarkable CAGR of 46.07% [22] Industry Chain - The magnetic sensor industry chain consists of upstream suppliers of raw materials and core components, midstream manufacturers responsible for design and production, and downstream applications in various sectors such as consumer electronics, automotive electronics, and industrial automation [12][14] Key Companies - Notable companies in the magnetic sensor market include domestic players such as Shanghai Canrui Technology, Suzhou Naxin Microelectronics, and others, alongside global leaders like Allegro, Infineon, and TDK [25][27][29] Development Trends - The industry is focusing on enhancing product sensitivity, temperature stability, miniaturization, and low power consumption to meet the evolving demands of applications in precision measurement, automotive electronics, and IoT devices [31][32][34][35]

Core Viewpoint - The lawsuit filed by Tiantong Co., Ltd. against Hoshine Silicon Industry highlights the financial difficulties faced by Hoshine, revealing issues related to delayed payments and inventory management [2][3][7]. Group 1: Lawsuit Details - Tiantong's subsidiaries are suing Hoshine for a total of 477 million yuan due to equipment sales contract disputes, with claims of delayed receipt and unpaid balances [2][5]. - The lawsuits involve multiple contracts from 2022 and 2023, with significant amounts of unpaid invoices, including 264.49 million yuan and 81.63 million yuan from different contracts [3][4]. - Hoshine has faced six lawsuits this year from various partners, indicating a pattern of contractual disputes [5][6]. Group 2: Financial Performance and Challenges - Hoshine's financial performance has been declining, with revenue growth not translating into profit, as seen in 2022 and 2023 where revenue increased by 10.62% and 12.37% respectively, but net profit dropped by 37.39% and 49.05% [7][8]. - The company reported a significant increase in inventory, reaching 9.509 billion yuan by the end of 2024, a 33.02% year-on-year increase, attributed to production exceeding sales [8]. - Hoshine's financial pressure is evident, with cash reserves of 2.166 billion yuan against short-term borrowings and current liabilities totaling 15.836 billion yuan, indicating a funding gap exceeding 10 billion yuan [8].