Group 1 - The company has received 9 utility model patent certificates and 2 trademark registration certificates from the National Intellectual Property Administration, focusing on its new energy business [1][2] - The acquisition of these patents is not expected to have a significant immediate impact on the company's operations but will enhance its intellectual property protection and competitive advantage [1] - The company has a total of 388 intellectual property rights, including patents, integrated circuit layout design registrations, computer software copyrights, and trademark registrations [2]

证券代码：002213 证券简称：大为股份 公告编号：2025-074 深圳市大为创新科技股份有限公司 关于取得专利证书及商标注册证书的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有 虚假记载、误导性陈述或重大遗漏。 上述专利所涉及的技术及应用领域为公司新能源业务。上述专利的取得暂不 会对公司近期的生产经营产生重大影响，但有利于充分发挥公司自主知识产权优 势，进一步完善公司的知识产权保护体系，提升公司的竞争力。 以上商标的取得，不会对公司的生产经营产生重大影响，但有利于加强公司 注册商标的保护，防止有关商标侵权事件的发生，有利于提高公司品牌和市场知 名度。 截至本公告披露日，公司获得专利证书、集成电路布图设计登记证书、计算 机软件著作权登记证书、商标注册证书共计 388 项。 特此公告。 深圳市大为创新科技股份有限公司 董 事 会 深圳市大为创新科技股份有限公司（以下简称"公司"）及子公司收到国家 知识产权局颁发的 9 项《实用新型专利证书》、2 项《商标注册证书》。具体情 况如下： 一、专利证书情况 | 序号 | 专利类型 | 专利名称 | 专利号 | | 专利申请日 | | | 授权 ...

Core Viewpoint - The A-share market for lithium mining stocks has strengthened, with significant price increases observed in various companies, driven by optimistic market sentiment regarding future demand for lithium carbonate [1] Group 1: Market Performance - Yongxing Materials saw a rise of over 7%, while Cangge Mining and Dazhong Mining increased by over 4% [1] - Other companies such as Defang Nano, Guocheng Mining, Zhongmin Resources, Hainan Mining, Jinyuan Co., and Xibu Mining experienced gains of over 3% [1] - Notably, Cangge Mining and Zhongmin Resources reached historical highs [1] Group 2: Lithium Carbonate Market - The main contract for lithium carbonate surged past 130,000, with an intraday increase of over 8%, marking a new high since November 2023 [1] - Analysts express optimism about the future demand in the lithium carbonate spot market, contributing to the ongoing rise in lithium prices [1] Group 3: Investor Activity - There is a noticeable increase in participation from various investors, with a significant rise in capital flow [1] - The recent strong performance of lithium carbonate futures has attracted more traders, particularly those with capital exceeding 100,000 [1] - Industrial clients have entered the market early for hedging purposes, which may lead to increased margin requirements and higher open interest in the main contracts [1]

Core Viewpoint - Dawi Co., Ltd. announced that its subsidiary, Shenzhen Dawi Chuangxin Technology Co., Ltd., has received four utility model patent certificates from the National Intellectual Property Administration of China [1] Group 1 - Dawi Co., Ltd. is actively expanding its intellectual property portfolio through the acquisition of new patents [1] - The newly granted patents are expected to enhance the company's competitive edge in the technology sector [1] - This development reflects the company's commitment to innovation and technological advancement [1]

Group 1 - The core point of the article is that Dawi Co., Ltd. has received four utility model patent certificates from the National Intellectual Property Administration, indicating advancements in semiconductor testing technology [1] - Dawi Co., Ltd. reported that its revenue composition for the first half of 2025 is as follows: 92.16% from semiconductor storage chips, 4.92% from the automotive manufacturing sector, 1.37% from new energy, 0.86% from real estate leasing services, and 0.68% from smart terminals [1] - As of the report, Dawi Co., Ltd. has a market capitalization of 6.4 billion yuan [1]

上述实用新型专利所涉及的技术及应用领域为公司半导体存储业务。上述专 利的取得暂不会对公司近期的生产经营产生重大影响，但有利于充分发挥公司自 主知识产权优势，进一步完善公司的知识产权保护体系，提升公司的竞争力。 深圳市大为创新科技股份有限公司 关于取得专利证书的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有 虚假记载、误导性陈述或重大遗漏。 证券代码：002213 证券简称：大为股份 公告编号：2025-073 深圳市大为创新科技股份有限公司（以下简称"公司"）子公司深圳市大为 创芯微电子科技有限公司收到国家知识产权局颁发的 4 项《实用新型专利证书》。 具体情况如下： | 序号 | 专利类型 | 专利名称 | 专利号 | 专利申请日 | 授权公告日 | 专利权人 | | --- | --- | --- | --- | --- | --- | --- | | 1 | 实用新型专 利 | 一种存储芯片 测试治具 | ZL 2024 2 1581352.6 | 年 月 日 2024 7 5 | 年 月 2025 5 16 | 深圳市大为创 日 芯微电子科技 | | | | | | | | 有限 ...

Group 1 - The storage chip sector showed active performance on December 24, with notable gains from several companies [1] - Shannon Semiconductor surged over 10%, while Space Technology increased by more than 7% [1] - Other companies such as Demingli, Shengo Co., Puran Co., Beijing Junzheng, Jiangbolong, Dawi Co., and Wanrun Technology also experienced upward movement [1]

Core Viewpoint - The company, Dawi Co., Ltd. (002213), focuses on two main business segments: "semiconductor storage + smart terminals" and "new energy + automotive" [1] Group 1: Business Overview - The company's main business includes NAND and DRAM storage products, which are widely applicable in personal computers, automotive, IDC, industrial control, medical, rail transportation, and smart electronics [1] - The wholly-owned subsidiary, Shenzhen Dawi Chuangxin Microelectronics Technology Co., Ltd., is responsible for the production of these semiconductor storage products [1] Group 2: Market Segmentation - Currently, the company does not engage in the liquid cooling or autonomous driving sectors [1]

Core Viewpoint - The company focuses on two main business segments: "semiconductor storage + smart terminals" and "new energy + automotive" [1] Group 1: Business Overview - The company's wholly-owned subsidiary, Shenzhen Dawi Chuangxin Microelectronics Technology Co., Ltd. (referred to as "Dawi Chuangxin"), primarily produces NAND and DRAM storage products [1] - These products have wide applications in personal computers, automotive, IDC, industrial control, medical, rail transportation, and smart electronics [1]

Core Viewpoint - Shenzhen Dawi Innovation Technology Co., Ltd. has completed the registration of changes in its business license, including amendments to its articles of association and the decision to no longer establish a supervisory board [1][2]. Group 1: Basic Information - The company held its 29th meeting of the 6th board of directors and the first extraordinary general meeting of 2025 on October 23 and November 10, 2025, respectively, where it approved the proposals to amend the articles of association and related systems [1]. - The registration of changes does not involve the reissuance of the business license, and the amended articles of association have been disclosed on the official website for investors to review [1]. Group 2: Business Registration Changes - As of the date of this announcement, the company has completed the business registration changes and the filing procedures for the amended articles of association [1]. - The specific registration changes have been documented and are available for reference [1].