Core Viewpoint - The stock of Yunzhong Technology (688260.SH) experienced a significant decline, with a cumulative drop of 30% over three consecutive trading days, indicating abnormal trading fluctuations as per Shanghai Stock Exchange regulations [1] Company Overview - Yunzhong Technology is primarily engaged in the research, design, production, and sales of products in the fields of consumer electronics, electronic ceramics, and automotive electronics [1] - The company's main business remains unchanged, focusing on consumer electronics, particularly in the production of voice coil motors (VCM) and camera modules (CCM) used in smartphone cameras [1] - Major clients for the company's consumer electronics products include leading smartphone brands such as Huawei, Xiaomi, OPPO, VIVO, and Honor [1] Disclosure and Compliance - The company conducted a self-examination and confirmed with its controlling shareholder and actual controller that, as of the announcement date, there are no undisclosed significant matters apart from those already disclosed [1]

Core Viewpoint - The stock of Yunzhong Technology (688260.SH) experienced a significant price drop, with a cumulative decline of 30% over three consecutive trading days, indicating abnormal trading fluctuations [1] Company Overview - Yunzhong Technology is primarily engaged in the research, design, production, and sales of products in the fields of consumer electronics, electronic ceramics, and automotive electronics [1] - The company's main business remains unchanged, focusing on consumer electronics, particularly in the production of voice coil motors (VCM) and camera modules (CCM) used in smartphone cameras [1] Clientele and Applications - The consumer electronics products are mainly applied in the smartphone camera sector, serving major brands such as Huawei, Xiaomi, OPPO, VIVO, and Honor [1] Disclosure and Compliance - The company conducted a self-inspection and confirmed with its controlling shareholder and actual controller that, as of the announcement date, there are no undisclosed significant matters apart from those already disclosed [1]

证券代码：688260 证券简称：昀冢科技 公告编号：2025-045 苏州昀冢电子科技股份有限公司 股票交易异常波动公告 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、准确性和完整性依法承担法律责任。 重要内容提示： ● 苏州昀冢电子科技股份有限公司（以下简称"公司"）股票于2025年12月2 日、12月3日、12月4日连续三个交易日内收盘价格跌幅偏离值累计达到30%。根据 《上海证券交易所交易规则》《上海证券交易所科创板股票异常交易实时监控细则》 的有关规定，属于股票交易异常波动情形。 ● 经公司自查并向控股股东及实际控制人核实，截至本公告披露日，除已按规定 披露的事项外，公司不存在应披露而未披露的重大事项。 ● 公司主要从事消费电子及电子陶瓷、汽车电子等领域产品的研发、设计、生产 制造和销售。其中，消费电子业务为公司主营业务，公司消费电子产品主要应用在智 能手机摄像头中的音圈马达VCM和摄像头模组CCM中，终端应用于华为、小米、OPPO、 VIVO、荣耀等主流品牌智能手机，目前公司的主营业务未发生变化。敬请投资者注意 投资风险。 ● 截至2025年 ...

Core Viewpoint - The stock of Yunzhong Technology experienced an abnormal trading fluctuation, with a cumulative decline of 30% over three consecutive trading days from December 2 to December 4, 2025 [1] Company Overview - Yunzhong Technology is primarily engaged in the research, design, manufacturing, and sales of products in the fields of consumer electronics, electronic ceramics, and automotive electronics [1] - The company's main business remains unchanged, focusing on consumer electronics, particularly in the production of voice coil motors (VCM) and camera modules (CCM) used in smartphone cameras [1] Key Clients - The consumer electronics products are primarily applied in smartphones from major brands such as Huawei, Xiaomi, OPPO, VIVO, and Honor [1]

Core Viewpoint - Yunzong Technology (688260) announced on December 4 that its stock experienced abnormal trading fluctuations, with a cumulative decline of 30% over three consecutive trading days [1] Company Overview - Yunzong Technology primarily engages in the research, design, production, and sales of products in the fields of consumer electronics, electronic ceramics, and automotive electronics [1] - The company's main business is focused on consumer electronics, specifically audio coil motors (VCM) and camera modules (CCM) used in smartphone cameras [1] - The end applications of the company's consumer electronic products include major smartphone brands such as Huawei, Xiaomi, OPPO, VIVO, and Honor [1] - There has been no change in the company's main business operations [1]

Core Viewpoint - Yunzhu Technology (688260.SH) focuses on the research, design, manufacturing, and sales of products in the consumer electronics and electronic ceramics, as well as automotive electronics sectors [1] Group 1: Business Overview - The company primarily engages in the consumer electronics business, which is its main revenue source [1] - Yunzhu Technology's consumer electronic products are mainly used in the voice coil motors (VCM) and camera modules (CCM) of smartphone cameras [1] Group 2: Clientele - The end applications of the company's products include major smartphone brands such as Huawei, Xiaomi, OPPO, VIVO, and Honor [1]

Core Viewpoint - The company announced that its stock price experienced an abnormal fluctuation, with a cumulative decline of 30% over three consecutive trading days from December 2 to December 4, 2025 [1] Group 1: Stock Performance - The closing price on December 4 was 33.90 yuan per share, indicating significant short-term volatility [1] - The turnover rates for December 2, 3, and 4 were 20.04%, 24.19%, and 13.77% respectively, which are significantly higher than previous periods [1] Group 2: Business Operations - The company primarily operates in the consumer electronics sector, which remains its main business focus [1] - The company confirmed that there are no undisclosed significant matters apart from those already disclosed [1]

Market Overview - The Sci-Tech Innovation Board (STAR Market) index fell by 0.89%, closing at 1308.37 points, with a total trading volume of 3.04 billion shares and a turnover of 138.46 billion yuan, resulting in a weighted average turnover rate of 1.58% [1] - Among the tradable stocks on the STAR Market, 140 stocks closed higher, with one stock rising over 10%, and 446 stocks closed lower [1] Trading Activity - The distribution of turnover rates shows that 3 stocks had turnover rates exceeding 20%, 12 stocks had rates between 10% and 20%, and 39 stocks had rates between 5% and 10% [1] - The stock with the highest turnover rate was Aerospace Huanyu, which closed down by 3.24% with a turnover rate of 32.10% and a transaction amount of 1.21 billion yuan [1] - Other notable stocks with high turnover rates included Hengkun New Materials and Yunzhu Technology, with turnover rates of 25.61% and 24.19%, respectively [1] Sector Performance - In terms of sector performance, the electronics sector had the most stocks with turnover rates exceeding 5%, totaling 21 stocks, followed by the computer and power equipment sectors with 10 and 6 stocks, respectively [2] - Among high turnover stocks, 16 experienced net inflows of main funds, with the highest net inflows recorded for Yuanjie Technology, Shijia Photon, and Weidao Nano, amounting to 230 million yuan, 227 million yuan, and 90.92 million yuan, respectively [2] Leverage Fund Movements - A total of 35 stocks with high turnover rates saw net purchases of leveraged funds recently, with the largest increases in financing balances for Baiwei Storage, Yingshi Innovation, and Huasheng Lithium Battery, which increased by 515 million yuan, 188 million yuan, and 123 million yuan, respectively [2] Notable Stocks - Key stocks with significant trading activity included: - Aerospace Huanyu (688523): Closed at 38.57 yuan, down 3.24%, with a turnover rate of 32.10% and a net outflow of 62.16 million yuan [3] - Hengkun New Materials (688727): Closed at 46.56 yuan, down 6.66%, with a turnover rate of 25.61% and a net outflow of 102.01 million yuan [3] - Weidao Nano (688147): Closed at 67.99 yuan, up 7.41%, with a turnover rate of 16.65% and a net inflow of 90.92 million yuan [3]

每经AI快讯，消费电子板块震荡走低，昀冢科技跌超10%，贝隆精密、传音控股、朝阳科技、长盈精 密、影石创新等跟跌。 （文章来源：每日经济新闻） ...

Group 1 - The core point of the article highlights that Yunzhu Technology (688260) experienced a significant drop in stock price, closing at 41.04 yuan with a daily limit down, and a trading volume of 10.58 billion yuan on December 2 [1][2] - The stock had a turnover rate of 20.04% and a price fluctuation of 25.00% during the trading day [1] - The stock was listed on the daily trading list due to a price drop of 15% at the close [1] Group 2 - The net outflow of main funds for the stock on that day was 1.96 billion yuan [2] - In the past six months, the stock has appeared on the trading list six times, with an average price increase of 1.30% the day after being listed, but an average decline of 4.69% over the following five days [3] Group 3 - The top five trading departments accounted for a total transaction amount of 243 million yuan, with a net sell of 112 million yuan [1][3] - The largest buying department was Dongya Qianhai Securities, Shanghai branch, with a purchase amount of 16.97 million yuan, while the largest selling department was Everbright Securities, Beijing branch, with a selling amount of 74.27 million yuan [1][3]