Group 1 - On August 18, Nanya New Materials (688519) closed at 65.17 CNY, reaching the daily limit with a trading volume of 10.61 billion CNY and a turnover rate of 7.09% [1] - The stock was listed on the daily trading list due to a price increase of 15% at the close [1] - The top five trading departments accounted for a total transaction of 563 million CNY, with a net selling of 34.76 million CNY [1] Group 2 - Among the top five buying departments, one institutional special seat was present, with a total buying amount of 1.31 billion CNY [1] - The selling departments included three institutional special seats, with the largest selling amount being 963.38 million CNY [1] - The net inflow of main funds for the stock was 44.78 million CNY throughout the day [1]

证券日报网讯 8月18日晚间，南亚新材发布公告称，公司股票连续三个交易日内（2025年8月14日、 2025年8月15日、2025年8月18日）收盘价格涨幅偏离值累计达到30%，属于股票交易异常波动情形。经 核实，公司前期披露的信息不存在需要更正、补充之处；公司经查询，未发现近期公共传媒报道了可能 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；公司近期经营情况及内外部经营环境未发 生重大变化。 （编辑 李家琪） ...

Core Insights - A total of 12 listed companies have disclosed share reduction plans, with no companies announcing share increases on the same day [1] Group 1: Share Reduction Details - Lianming Co., the controlling shareholder plans to reduce no more than 3.00% of the company's shares [2] - Geng Shanghai's shareholder Huijia Chuangtou intends to reduce no more than 1% of the company's shares [2] - Jinhui Co.'s shareholder Green Mine Fund plans to reduce no more than 3% of the company's shares [2] - Wanlang Magnetic Plastic's shareholder Ouyang Ruiqun intends to reduce no more than 2% of the company's shares [2] - Maipu Medical's Guoshou Chengda has cumulatively reduced 2.9958% of the company's shares [2] - Nanya New Materials' directors, including Zhang Dong, have reduced their shares [2] - Maihe Co.'s shareholder Wang Xuping plans to reduce no more than 150,000 shares [2] - Jujia Optoelectronics' actual controller and chairman Pan Huarong intends to reduce no more than 1% of the company's shares [2] - Huashu Media's Zhejiang Yitong Media plans to reduce no more than 1% of the company's shares [2] - Haizhu Co.'s shareholders Park Huahui and Zhongwen Chantu plan to collectively reduce no more than 5.36% of the company's shares [2] - Zhonghuan Environmental Protection's Jintong Anyi intends to reduce no more than 3.55% of the company's shares [2] - Haichuan Intelligent's shareholders Wu Guifang and Zheng Xuefen plan to collectively reduce no more than 6% of the company's shares [2]

Summary of Key Points Core Viewpoint - As of August 18, a total of 12 listed companies have disclosed share reduction plans, with no companies announcing share increases on the same day [1]. Group 1: Companies with Share Reduction Plans - Lianming Co., Ltd. plans to reduce its holdings by up to 3.00% of the company's shares [2]. - Xishanghai's shareholder Huijia Chuangtou intends to reduce its stake by no more than 1% [2]. - Jinhui Co., Ltd.'s shareholder Green Mining Fund plans to reduce its holdings by up to 3% [2]. - Wanlang Magnetic Plastic's shareholder Ouyang Ruiqun intends to reduce its stake by no more than 2% [2]. - Maipu Medical's shareholder Guoshou Chengda has cumulatively reduced its holdings by 2.9958% [2]. - Nanya New Materials' board member Zhang Dong and others are reducing their shares [2]. - Maihe Co., Ltd.'s shareholder Wang Xuping plans to reduce up to 150,000 shares [2]. - Juzan Optoelectronics' actual controller and chairman Pan Huarong intends to reduce no more than 1% of the company's shares [2]. - Huashu Media's Zhejiang Yitong Media plans to reduce its stake by no more than 1% [2]. - Haikan Co., Ltd.'s shareholders Park Huahui and Zhongwen Chantu plan to collectively reduce up to 5.36% [2]. - Zhonghuan Environmental's Jintong Anyi intends to reduce its holdings by no more than 3.55% [2]. - Haichuan Intelligent's shareholders Wu Guifang and Zheng Xuefen plan to collectively reduce up to 6% [2].

Group 1 - The company, Nanya New Materials, announced that its production and operational status is normal, with no significant changes [1] - The market environment and industry policies have not undergone major adjustments, and product research, production, and sales are progressing normally [1] - As of the announcement date, the company and its controlling shareholders do not have any major matters in planning, such as mergers, restructuring, or asset injections [1]

证券代码：688519 证券简称：南亚新材 公告编号：2025-061 南亚新材料科技股份有限公司 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、准确性和完整性承担法律责任。 南亚新材料科技股份有限公司（以下简称"公司"）股票连续三个交易 日内（2025 年 8 月 14 日、2025 年 8 月 15 日、2025 年 8 月 18 日）收盘价格涨 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，并向公司控股股东及实际控制人发函查证，截至本公告披 露日，公司、控股股东及实际控制人不存在影响公司股票交易异常波动的重大事 项，亦不存在其他应披露而未披露的重大信息。 公司股价短期波动幅度较大，敬请广大投资者注意二级市场交易风险， 审慎决策，理性投资。 一、股票交易异常波动的具体情况 公司股票交易于 2025 年 8 月 14 日、2025 年 8 月 15 日、2025 年 8 月 18 日 连续 3 个交易日内日收盘价格涨幅偏 ...

证券代码：688519 证券简称：南亚新材 公告编号：2025-060 南亚新材料科技股份有限公司 董事、监事集中竞价减持股份计划完成暨减持结果 公告 本公司董事会、全体董事及相关股东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： 大股东及董监高持有的基本情况 本次减持计划实施前，南亚新材料科技股份有限公司（以下简称"公司"） 董事张东先生直接持有公司股份 1,675,665 股，通过上海南亚科技集团有限公司 间接持有公司股份 6,955,500 股（四舍五入取整），合计持有公司股份 8,631,165 股，占公司总股本的 3.619%； 董事郑晓远先生直接持有公司股份 2,413,910 股，通过上海南亚科技集团有 限公司间接持有公司股份 8,654,144 股（四舍五入取整），合计持有公司股份 11,068,054 股，占公司总股本的 4.641%； 董事耿洪斌先生直接持有公司股份 1,377,620 股，通过上海南亚科技集团有 限公司间接持有公司股份 5,116,716 股（四舍五入取整），合计持有公司股份 6,494, ...

Core Viewpoint - The stock of South Asia New Materials has experienced an abnormal fluctuation, with a cumulative closing price increase of 30% over three trading days, prompting an investigation into the reasons behind this volatility [1] Company Operations - The company has confirmed that its production and operational status is normal, with no significant changes affecting the stock's trading behavior [1] - There are no undisclosed major events or information that could impact the company's stock performance [1] Shareholder Activity - Several board members have reduced their holdings, with specific reductions as follows: - Zhang Dong: 30,000 shares - Zheng Xiaoyuan: 39,215 shares - Geng Hongbin: 90,000 shares - Cui Ronghua: 96,600 shares - The company supervisor, Chen Xiaodong, has also reduced his holdings by 4,400 shares [1]

Core Insights - The top three stocks with net institutional purchases on August 18 are Zhinan Zhen, Dazhihui, and Tenglong Co., with net purchases of 385 million, 234 million, and 227 million respectively [1][2] - A total of 44 stocks appeared on the trading list, with 23 showing net institutional purchases and 21 showing net institutional sales [1] - The top three stocks with net institutional sales are Quzhou Development, Yingweike, and Nanya New Materials, with net outflows of 703 million, 241 million, and 151 million respectively [1][4] Institutional Purchases - Zhinan Zhen had a price increase of 14.64% with a net institutional purchase of 385.02 million [2] - Dazhihui saw a price increase of 10.03% with a net institutional purchase of 233.88 million [2] - Tenglong Co. experienced a price increase of 3.82% with a net institutional purchase of 227.44 million [2] Institutional Sales - Quzhou Development had a price decrease of 2.55% with a net institutional sale of 703 million [4] - Yingweike experienced a price increase of 10.00% but had a significant net institutional sale of 241 million [4] - Nanya New Materials saw a price increase of 20.00% but faced a net institutional sale of 151 million [4]

Market Performance - The component sector increased by 1.99% on August 18, with Jing Sai Technology leading the gains [1] - The Shanghai Composite Index closed at 3728.03, up 0.85%, while the Shenzhen Component Index closed at 11835.57, up 1.73% [1] Top Gainers - Jing Sai Technology (871981) closed at 46.56, up 29.98% with a trading volume of 94,900 shares and a transaction value of 415 million [1] - Nanya New Materials (688519) closed at 65.17, up 20.00% with a trading volume of 166,400 shares and a transaction value of 1.061 billion [1] - Yuan Diwei (832491) closed at 33.80, up 14.97% with a trading volume of 212,400 shares [1] Other Notable Performers - Zhongfu Circuit (300814) closed at 50.65, up 10.37% with a trading volume of 330,800 shares and a transaction value of 1.668 billion [1] - Fangzheng Technology (600601) closed at 7.43, up 10.07% with a trading volume of 4.1409 million shares and a transaction value of 3.031 billion [1] Market Capital Flow - The component sector saw a net inflow of 688 million from institutional investors, while retail investors experienced a net outflow of 1.012 billion [2][3] - The top stocks by net inflow from institutional investors included Shengyi Technology (600183) with a net inflow of 2.53 billion [3] Decliners - ST Dongjing (002199) closed at 10.18, down 3.78% with a trading volume of 93,500 shares [2] - Aoshikang (002913) closed at 38.81, down 2.04% with a trading volume of 87,600 shares [2]