Market Overview - As of January 16, the Shanghai Composite Index closed at 4101.91 points, down by 10.69 points, a decrease of 0.26% [1] - The Shenzhen Component Index closed at 14281.08 points, down by 25.65 points, a decrease of 0.18% [1] - The ChiNext Index closed at 3361.02 points, down by 6.90 points, a decrease of 0.20% [1] Trading Activity - A total of 105 A-shares had a turnover rate exceeding 20% on January 16 [1] - Notable stocks with high turnover rates included: - Koma Materials (证券代码: 920086) with a turnover rate of 96.14% and a price increase of 371.27% [1] - Sanbian Technology (证券代码: 002112) with a turnover rate of 60.76% and a price decrease of 5.58% [1] - C Zhixin (证券代码: 603352) with a turnover rate of 60.40% and a price decrease of 18.81% [1] - Blue Arrow Electronics (证券代码: 301348) with a turnover rate of 54.25% and a price increase of 13.51% [1] Notable Stocks - Other stocks with significant turnover rates included: - Huasheng Tiancheng (证券代码: 600410) with a turnover rate of 43.47% and a price decrease of 9.95% [1] - Hongxiang Co., Ltd. (证券代码: 300427) with a turnover rate of 40.36% and a price increase of 11.33% [1] - Silicon Power (证券代码: 301629) with a turnover rate of 37.91% and a price increase of 3.39% [1] - Southern Road Machinery (证券代码: 603280) with a turnover rate of 35.94% and a price increase of 4.44% [1] Additional Trading Insights - The trading data indicates a mix of high volatility among stocks, with some experiencing significant price increases while others faced declines [1] - The overall market sentiment appears cautious, reflected in the slight declines of major indices [1]

Group 1 - The core viewpoint of the news is that Xinyin Electronics has seen a stock price increase of 5.03%, reaching 26.75 CNY per share, with a trading volume of 290 million CNY and a turnover rate of 18.57%, resulting in a total market capitalization of 4.553 billion CNY [1] - Xinyin Electronics, established on November 26, 2001, and listed on July 17, 2023, is located in Suzhou, Jiangsu Province, and specializes in the research, production, and sales of connectors [1] - The main business revenue composition of Xinyin Electronics includes: 55.23% from notebook computer connectors, 27.65% from consumer electronics connectors, 15.09% from automotive and other connectors, and 2.03% from other sources [1] Group 2 - Among the top ten circulating shareholders of Xinyin Electronics, a fund under Dacheng Fund holds a significant position, specifically the Dacheng CSI 360 Internet + Index A (002236), which increased its holdings by 4,800 shares to a total of 789,100 shares, representing 1.32% of the circulating shares [2] - The Dacheng CSI 360 Internet + Index A (002236) fund was established on February 3, 2016, with a latest scale of 788 million CNY, achieving a year-to-date return of 7.82% and a one-year return of 54.13% [2]

Core Viewpoint - Xinyin Electronics (301329) has announced that its annual report for 2025 is expected to be disclosed on April 11, 2026, and will comply with relevant laws and regulations regarding information disclosure [1]. Group 1 - The company will fulfill its information disclosure obligations in a timely manner according to applicable laws and regulations [1].

Group 1 - The company, Xinyin Electronics, responded to investor inquiries on January 13, indicating that information regarding its research and development products and progress should be monitored through company announcements [2]

证券日报网讯 1月9日，信音电子在互动平台回答投资者提问时表示，公司传输连接器产品有 DDRConn.，在研产品有DDR5SO-DIMM内存卡槽连接器、DDR内存卡槽连接器。 （文章来源：证券日报） ...

Core Viewpoint - The company, Xinyin Electronics, is actively engaged in the production of high-speed connectors, specifically USB4 connectors, and is in the process of developing several other products [2] Product Development - The company is currently producing USB4 connectors [2] - The company has DDR5 SO-DIMM memory card slot connectors in small batch production [2] - DDR memory card slot connectors are also in small batch production [2] - Mini FAKRA automotive interfaces are in the certification stage [2]

Core Viewpoint - The company, Xinyin Electronics, has clarified its main product offerings and their applications in response to investor inquiries on an interactive platform [1] Group 1: Product Offerings - The company's primary products include laptop connectors, consumer electronics connectors, and automotive and other connectors [1] - Laptop connectors are categorized by function into power connectors, audio-visual connectors, and transmission connectors [1] Group 2: Application Fields - The application areas of the company's products are primarily determined by the industries of downstream manufacturers and end-users [1]

Market Performance - The consumer electronics sector increased by 1.38% on December 25, with Xunwei Communication leading the gains [1] - The Shanghai Composite Index closed at 3959.62, up 0.47%, while the Shenzhen Component Index closed at 13531.41, up 0.33% [1] Top Gainers in Consumer Electronics - Xunwei Communication (300136) closed at 50.70, up 13.35% with a trading volume of 1.74 million shares [1] - Changying Precision (300115) closed at 40.25, up 8.52% with a trading volume of 1.36 million shares [1] - Hengmingda (002947) closed at 56.28, up 8.27% with a trading volume of 277,400 shares [1] - Yidong Electronics (301123) closed at 79.16, up 6.97% with a trading volume of 348,800 shares [1] - Other notable gainers include Guangda Tongchuang (301387) and Chaoping San (300647) with increases of 6.13% and 5.97% respectively [1] Top Losers in Consumer Electronics - Yitian Co., Ltd. (300812) closed at 29.53, down 2.86% with a trading volume of 115,300 shares [2] - Kecuan Technology (603052) closed at 33.04, down 2.74% with a trading volume of 84,500 shares [2] - Anker Innovation (300866) closed at 115.02, down 2.54% with a trading volume of 39,800 shares [2] - Other notable losers include Transsion Holdings (688036) and Zhishang Technology (301486) with declines of 2.13% and 1.79% respectively [2] Capital Flow Analysis - The consumer electronics sector experienced a net outflow of 843 million yuan from institutional investors, while retail investors saw a net inflow of 1.316 billion yuan [2] - Notable stocks with significant capital flow include Changying Precision and Yidong Electronics, which had varying levels of net inflow and outflow from different investor types [3]

长江证券承销保荐有限公司 关于对信音电子（中国）股份有限公司 2025 年度现场培训情况报告 长江证券承销保荐有限公司（以下简称"长江保荐"、"本保荐机构"）作为信 音电子（中国）股份有限公司（以下简称"信音电子"或"公司"）持续督导的保荐 机构，于 2025 年 12 月 23 日对信音电子董事、高级管理人员等相关人员进行了 持续督导培训。 现将培训的相关情况说明如下： 1、时间：2025 年 12 月 23 日 2、地点：信音电子会议室 3、参会人员：信音电子董事及高级管理人员及其他相关人员。 1、上市公司治理最新规则 2、上市公司募集资金使用最新规则 3、上市公司并购重组 限公司 2025 年度现场培训情况报告》之签章页） 一、 基本情况 二、 本次培训内容 本次培训内容主要包括： 三、 本次培训的结论 本次培训通过线上讲授和交流的形式，围绕业务规则结合案例分析向参训人 员作了详细讲解。在本次持续督导培训中，信音电子相关人员给予了积极配合， 对上市公司治理、募集资金使用及上市公司并购重组的相关法规要求有了更全面 的了解。本次现场培训达到了预期的培训目标，取得了良好的效果，有助于提高 公司的规范运作和信息 ...

证券代码：301329 证券简称：信音电子 公告编号：2025-059 信音电子(中国)股份有限公司 关于收购东莞市国联电子有限公司 80%股权进展暨完成工商变 更登记的公告 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。 一、交易概述 信音电子（中国）股份有限公司（以下简称"公司"）于 2025 年 10 月 23 日召开的第六届董事会第四次会议及 2025 年 11 月 10 日召开的 2025 年第三次临 时股东会，审议通过了《关于使用部分超募资金收购东莞市国联电子有限公司 80%股权的议案》，同意公司使用部分超募资金共计 22,000 万元购买东莞市国联 电子有限公司（以下简称"国联电子"）80%的股权。本次交易完成后，公司成 为国联电子控股股东，持有国联电子 80%股权，国联电子纳入公司合并报表范围。 具体详见公司于 2025 年 10 月 23 日披露于巨潮资讯网（www.cninfo.com.cn）的 《关于使用部分超募资金收购东莞市国联电子有限公司 80%股权的公告》。 二、交易进展情况 近日，国联电子已完成相关工商变更登记手续，并取得了东莞市 ...