Group 1 - Great Wall Military Industry opened flat after 10 consecutive days of gains [1] - Beiwai Technology, a robotics concept stock, opened up 0.79% after 8 days of gains [1] - Zhongma Transmission opened down 2.88% after 11 days of gains [1] Group 2 - Hongtong Gas, a local stock in Xinjiang, opened up 6.02% after 7 days of gains [1] - Xinjiang Communications Construction opened down 2.18% after 4 consecutive days of gains [1] - Jishi Media, in the film and television sector, opened up 4.17% after 8 days of gains [1] Group 3 - Furi Electronics, in the consumer electronics sector, opened down 2.88% after 8 days of gains [1] - Haili Co., part of the chip industry chain, opened down 4.67% after 6 days of gains [1] - Wantong Development opened up 4.93% after 4 consecutive days of gains [1] Group 4 - Aerospace Technology, a commercial aerospace concept stock, opened up 4.84% after 7 days of gains [1] - Chunzhong Technology, in the liquid cooling IDC concept, opened up 3.62% after 10 days of gains [1]

Core Viewpoint - The company, Beiwai Technology, has reported significant stock price fluctuations but asserts that there are no undisclosed major issues affecting its operations or stock price [2][3]. Group 1: Stock Performance - Beiwai Technology's stock price has increased by 91.18% year-to-date, with a notable surge since August 4, achieving seven out of eight trading days with price limits [3]. - From August 11 to 13, the stock experienced a cumulative price deviation exceeding 20%, indicating abnormal trading activity [2]. Group 2: Financial Performance - The company anticipates a revenue of between 19.2 million and 19.6 million yuan for the first half of the year, representing a year-on-year growth of 45.3% to 48.4% [3]. - The net profit attributable to shareholders is projected to be a loss of 2.65 million to 3.45 million yuan, contrasting with a profit of 10.6 million yuan in the same period last year [3]. - Basic earnings per share are expected to be a loss of 0.0047 to 0.0061 yuan, compared to a profit of 0.0189 yuan per share in the previous year [3]. Group 3: Business Operations - Beiwai Technology's main business includes IoT applications, mobile communication, mobile gaming, and the Beiwai mobile internet industrial park [3]. - The company is currently preparing its 2025 semi-annual report, scheduled for release on August 22, 2025 [3]. - The company has been optimizing its technology and service capabilities while increasing marketing efforts, which has led to a temporary net loss due to the accounting treatment of promotional expenses and stock compensation [3].

证券日报网讯 8月13日晚间，北纬科技发布公告称，公司股票于2025年8月11日、2025年8月12日、2025 年8月13日连续三个交易日收盘价格涨幅偏离值累计超过20%，属于股票交易异常波动。经核查，公司 前期披露的信息不存在需要更正、补充之处。公司未发现近期公共媒体报道了可能或已经对公司股票交 易价格产生较大影响的未公开重大信息。 （编辑 姚尧） ...

Group 1 - Zhengfan Technology plans to acquire 62.23% equity of Hanjing Semiconductor for a total price of 1.12 billion yuan [1] - Yongji Co. is planning to acquire control of Nanjing Tena Fei Electronic Technology Co. through a combination of issuing shares and cash, with stock suspension expected to last no more than 10 trading days [2] - Aiwai Electronics reported a 71.09% year-on-year increase in net profit attributable to shareholders in the first half of 2025, despite a 13.4% decline in revenue [3] Group 2 - Huabei Pharmaceutical's net profit attributable to shareholders increased by 71.56% year-on-year in the first half of 2025, with a slight revenue growth of 0.84% [4] - Haichuang Pharmaceutical reported a revenue increase of 11,899.08% year-on-year, but incurred a net loss of 61.85 million yuan in the first half of 2025 [5] - Baiwei Storage announced that the National Integrated Circuit Fund II plans to reduce its stake by no more than 2% through block trading [6] Group 3 - Anlu Technology announced that several entities, including the National Integrated Circuit Fund, plan to collectively reduce their stake by no more than 3.25% [7] - Laimu Co.'s controlling shareholder plans to reduce its stake by no more than 3% within three months [8] - Changcheng Military Industry reported significant stock price fluctuations and may apply for a trading suspension if prices continue to rise [9] Group 4 - Beiwai Technology confirmed that its controlling shareholder has not engaged in any stock trading activities during a period of significant price fluctuations [10] - Liangpinpuzi's controlling shareholder is involved in a lawsuit with a disputed amount of 1.023 billion yuan, which may create uncertainties regarding control transfer [11]

Mergers and Acquisitions - Zhengfan Technology plans to acquire 62.23% stake in Hanjing Semiconductor for a total price of 1.12 billion yuan [1] - Yongji Co. is planning to acquire control of Nanjing Tenafly Electronics through a combination of issuing shares and cash, with stock suspension expected to last no more than 10 trading days [2] Performance Disclosure - Aiwei Electronics reported a 71.09% year-on-year increase in net profit attributable to shareholders, with total revenue of 1.37 billion yuan, down 13.4% year-on-year [3] - Huabei Pharmaceutical's net profit attributable to shareholders increased by 71.56% year-on-year, with total revenue of 5.275 billion yuan, up 0.84% year-on-year [4] - Haichuang Pharmaceutical reported a net loss of 61.85 million yuan, despite a significant revenue increase of 11,899.08% to 13.1672 million yuan [5] Shareholding Changes - Baiwei Storage announced that the National Integrated Circuit Industry Investment Fund Phase II plans to reduce its stake by no more than 2%, equating to a maximum of 9.2253 million shares [6] - Anlu Technology disclosed that several entities, including the National Integrated Circuit Industry Investment Fund, plan to collectively reduce their stake by no more than 3.25% [7] - Laimu Co.'s controlling shareholder plans to reduce its stake by no more than 3%, equating to a maximum of 12.8 million shares [8] Legal Matters - Good Products Co.'s controlling shareholder is involved in a lawsuit concerning a stake dispute, with the amount in question reaching 1.023 billion yuan, although it is stated that this will not significantly impact the company's operations or current profits [12]

（文章来源：证券日报） 证券日报网讯北纬科技8月13日在互动平台回答投资者提问时表示，公司物联网业务主要为客户提供物 联网连接管理服务，已覆盖广告传媒、充电桩、智能配送及清扫等多个行业场景，并持续探索新的行业 应用领域。公司手机游戏业务目前聚焦海外精品游戏及小游戏赛道，不断深化产品商业化、精细化运营 等发行能力。 ...

人民财讯8月13日电，8天7板北纬科技（002148）8月13日晚间发布股票交易异常波动公告称，公司未发 现近期公共媒体报道了可能或已经对公司股票交易价格产生较大影响的未公开重大信息。公司目前经营 情况正常，内外部经营环境未发生重大变化。 ...

每经AI快讯，8月13日，8天7板北纬科技（002148）公告，公司股票于2025年8月11日、2025年8月12 日、2025年8月13日连续三个交易日收盘价格涨幅偏离值累计超过20%，属于股票交易异常波动情况。 经核查，公司前期披露的信息不存在需要更正、补充之处。公司未发现近期公共媒体报道了可能或已经 对公司股票交易价格产生较大影响的未公开重大信息。公司目前经营情况正常，内外部经营环境未发生 重大变化。股票异常波动期间，公司控股股东、实际控制人不存在买卖公司股票的行为。 ...

北纬科技8月13日发布公告，股票于2025年8月11日、2025年8月12日、2025年8月13日连续三个交易日收 盘价格涨幅偏离值累计超过20%，根据《深圳证券交易所交易规则》的有关规定，属于股票交易异常波 动情况。 经核实，公司目前经营情况正常，内外部经营环境未发生重大变化。公司及控股股东、实际 控制人不存在关于本公司的应披露而未披露的重大事项，也不存在处于筹划阶段的重大事项。 ...

证券代码：002148 证券简称：北纬科技 编号：2025-025 3、公司目前经营情况正常，内外部经营环境未发生重大变化。 北京北纬通信科技股份有限公司 股票交易异常波动公告 本公司及董事会全体成员保证公告内容真实、准确和完整，没有虚假记载、 误导性陈述或重大遗漏。 一、股票交易异常波动情况 北京北纬通信科技股份有限公司（证券简称：北纬科技，证券代码：002148， 以下简称"公司"）股票于 2025 年 8 月 11 日、2025 年 8 月 12 日、2025 年 8 月 13 日连续三个交易日收盘价格涨幅偏离值累计超过 20%，根据《深圳证券交易 所交易规则》的有关规定，属于股票交易异常波动情况。 二、对重要问题的关注、核实相关情况说明 针对公司股票异常波动，公司对有关事项进行了核查，并询问了公司控股股 东及实际控制人，有关情况说明如下： 1、公司前期披露的信息不存在需要更正、补充之处。 2、公司未发现近期公共媒体报道了可能或已经对公司股票交易价格产生较 大影响的未公开重大信息。 1、经自查，公司不存在违反信息公平披露的情形。 2、公司于 2025 年 7 月 11 日披露了《2025 年半年度业绩预 ...