登录新浪财经APP 搜索【信披】查看更多考评等级 证券代码：603612 证券简称：索通发展 公告编号：2025-044 索通发展股份有限公司关于股东权益 | 投资者及其一致行动 | □合并口径第一大股东及其一致行动人（仅适用于无控股股东、实际控制人） □ | | --- | --- | | 人的身份 | 其他______________（请注明） | 变动触及1%刻度的提示性公告 郎光辉及其一致行动人王萍、玄元私募基金投资管理（广东）有限公司－玄元科新182号私募证券投资 基金保证向本公司提供的信息真实、准确、完整，没有虚假记载、误导性陈述或重大遗漏。 本公司董事会及全体董事保证公告内容与信息披露义务人提供的信息一致。 重要内容提示： | 权益变动方向 | 比例增加□ 比例减少√ | | --- | --- | | 权益变动前合计比例 | 28.01% | | 权益变动后合计比例 | 27.89% | | 本次变动是否违反已作出的承诺、意向、计划 | 是□ 否√ | | 是否触发强制要约收购义务 | 是□ 否√ | 一、信息披露义务人及其一致行动人的基本信息 1.身份类别 2.信息披露义务人信息 | 信息披 ...

Group 1 - The core viewpoint of the article highlights the current state and future trends of the non-metallic mineral products industry in China, as reported by Zhiyan Consulting [1] - As of January to July 2025, the number of enterprises in the non-metallic mineral mining and selection industry is 4,002, which represents a decrease of 41 compared to the same period last year, reflecting a year-on-year decline of 1.01% [1] - The proportion of non-metallic mineral mining and selection enterprises in the total industrial enterprises is 0.77% [1] Group 2 - The report indicates that the threshold for large-scale industrial enterprises has been raised from an annual main business income of 5 million to 20 million yuan since 2011 [1] - Zhiyan Consulting is recognized as a leading industry consulting firm in China, providing comprehensive industry research reports, business plans, feasibility studies, and customized services [1] - The consulting firm emphasizes its commitment to delivering quality services and market insights to empower investment decisions [1]

Core Viewpoint - The announcement details a change in shareholder equity for Suotong Development Co., Ltd., indicating a decrease in the combined shareholding of major shareholders from 28.01% to 27.89%, which touches the 1% threshold for disclosure [1][2]. Group 1: Shareholder Information - The main shareholder, Lang Guanghui, along with his concerted actions, has reduced his shareholding from 8,243.4966 thousand shares (16.55%) to 8,184.4922 thousand shares (16.43%) [2]. - Wang Ping, another concerted action party, maintains her shareholding at 5,605.3012 thousand shares (11.25%) without any change [2]. - The total shareholding of Lang Guanghui and Wang Ping, along with Xuan Yuan Private Fund, decreased from 13,951.3192 thousand shares (28.01%) to 13,892.3148 thousand shares (27.89%) [2]. Group 2: Compliance and Regulations - The equity change does not violate any prior commitments made by the shareholders [1]. - The change does not trigger any mandatory tender offer obligations as per the relevant regulations [1]. - The company assures that the information disclosed is accurate and complete, adhering to the requirements of the Shanghai Stock Exchange and other regulatory frameworks [3].

证券代码：603612 证券简称：索通发展 公告编号：2025-044 索通发展股份有限公司 重要内容提示： | 权益变动方向 | 比例增加□ | | 比例减少☑ | | --- | --- | --- | --- | | 权益变动前合计比例 | 28.01% | | | | 权益变动后合计比例 | 27.89% | | | | 本次变动是否违反已作出的承诺、意 向、计划 | 是□ | 否 | | | 是否触发强制要约收购义务 | 是□ | 否 | | 一、 信息披露义务人及其一致行动人的基本信息 1.身份类别 | | 控股股东/实际控制人及其一致行动人 □其他 5%以上大股东及其一致行动人 | | --- | --- | | 投资者及其一致行动人的身份 | □合并口径第一大股东及其一致行动人（仅适用 | | | 于无控股股东、实际控制人） | | | □其他______________（请注明） | 关于股东权益变动触及 1%刻度的提示性公告 郎光辉及其一致行动人王萍、玄元私募基金投资管理（广东）有限公司－玄 元科新 182 号私募证券投资基金保证向本公司提供的信息真实、准确、完整，没 有虚假记载、误 ...

Core Viewpoint - The company, Suotong Development (603612.SH), reported a reduction in shareholding by its controlling shareholder, Mr. Lang Guanghui, which has triggered a change in equity ownership by 1% [1] Shareholding Changes - Mr. Lang Guanghui reduced his holdings by a total of 590,000 unrestricted circulating shares from September 3 to September 4, 2025 [1] - The shareholding percentage of Mr. Lang Guanghui and his concerted parties decreased from 28.01% to 27.89% [1]

Market Overview - On September 4, the non-metal materials sector declined by 1.71% compared to the previous trading day, with Lianrui New Materials leading the drop [1] - The Shanghai Composite Index closed at 3765.88, down 1.25%, while the Shenzhen Component Index closed at 12118.7, down 2.83% [1] Stock Performance - Notable gainers in the non-metal materials sector included: - Changjiang Materials, up 10.00% to 26.40, with a trading volume of 183,900 shares and a turnover of 470 million yuan [1] - Ningxin New Materials, up 7.58% to 19.88, with a trading volume of 265,300 shares and a turnover of 528 million yuan [1] - Tianma New Materials, up 4.44% to 40.69, with a trading volume of 104,800 shares and a turnover of 419 million yuan [1] - Lianrui New Materials saw a decline of 4.45% to 50.50, with a trading volume of 74,900 shares and a turnover of 385 million yuan [2] Capital Flow - The non-metal materials sector experienced a net inflow of 147 million yuan from institutional investors, while retail investors saw a net outflow of 59.57 million yuan [2] - The capital flow for key stocks showed: - Changjiang Materials had a net inflow of 157 million yuan from institutional investors, while retail investors had a net outflow of 78.39 million yuan [3] - Lianrui New Materials had a net outflow of 17.98 million yuan from institutional investors, with a net inflow of 27.89 million yuan from retail investors [3]

Group 1 - As of September 3, the graphite electrode concept increased by 0.02%, ranking 6th among concept sectors, with 7 stocks rising, including Ningxin New Materials, Dow Technology, and Zhongke Electric, which rose by 10.79%, 9.74%, and 6.21% respectively [1] - The leading stocks in the graphite electrode sector by net inflow of main funds include Zhongke Electric with a net inflow of 218 million yuan, followed by Dow Technology, Suotong Development, and Putailai with net inflows of 179 million yuan, 53 million yuan, and 16 million yuan respectively [2][3] - The main fund inflow ratios for Huajin Co., Zhongke Electric, and Suotong Development were 9.19%, 7.63%, and 6.26% respectively, indicating strong interest in these stocks [3] Group 2 - The stocks with the largest declines in the graphite electrode sector include Better Ray, Longjiang Transportation, and Baotailong, which fell by 3.83%, 3.39%, and 2.46% respectively [1] - The overall market performance for the graphite electrode concept shows a mixed trend, with some stocks experiencing significant gains while others faced notable losses [2][4]

Market Overview - The non-metal materials sector experienced a decline of 1.57% on September 3, with Changjiang Materials leading the drop [1] - The Shanghai Composite Index closed at 3813.56, down 1.16%, while the Shenzhen Component Index closed at 12472.0, down 0.65% [1] Stock Performance - Notable gainers included Ningxin New Materials, which rose by 10.79% to a closing price of 18.48, and Tianma New Materials, which increased by 4.12% to 38.96 [1] - Conversely, Changjiang Materials fell by 5.88% to 24.00, and other stocks like Bingyang Technology and Qilu Huaxin also saw declines of 5.53% and 3.08% respectively [2] Trading Volume and Capital Flow - The non-metal materials sector saw a net inflow of 54.54 million yuan from institutional investors, while retail investors experienced a net outflow of 34.45 million yuan [2] - The trading volume for Ningxin New Materials was 234,800 hands, with a transaction value of 427 million yuan, indicating strong investor interest [1] Individual Stock Capital Flow - Key stocks such as Suotong Development and Longgao Co. had significant capital movements, with Suotong Development seeing a net inflow of 89.68 million yuan from institutional investors [3] - In contrast, Changjiang Materials had a net outflow of 9.39 million yuan from institutional investors, indicating a lack of confidence among larger investors [3]

Market Overview - The non-metal materials sector experienced a decline of 3.75% on September 2, with Lianrui New Materials leading the drop [1] - The Shanghai Composite Index closed at 3858.13, down 0.45%, while the Shenzhen Component Index closed at 12553.84, down 2.14% [1] Stock Performance - Notable gainers in the non-metal materials sector included: - Changjiang Materials: Closed at 25.50, up 2.74% with a trading volume of 246,300 shares and a turnover of 613 million yuan [1] - Bingyang Technology: Closed at 13.01, up 2.12% with a trading volume of 35,000 shares [1] - Major decliners included: - Lianrui New Materials: Closed at 53.13, down 7.16% with a trading volume of 93,600 shares and a turnover of 510 million yuan [2] - Quartz Shares: Closed at 40.04, down 4.62% with a trading volume of 199,800 shares and a turnover of 814 million yuan [2] Capital Flow - The non-metal materials sector saw a net outflow of 316 million yuan from institutional investors, while retail investors contributed a net inflow of 238 million yuan [2] - The detailed capital flow for selected stocks showed significant outflows for: - Lianrui New Materials: Net outflow of 56.86 million yuan from institutional investors [3] - Quartz Shares: Net outflow of 84.32 million yuan from institutional investors [3] - Retail investors showed a net inflow into several stocks, including: - Longgao Co.: Net inflow of 6.11 million yuan [3] - Changjiang Materials: Net inflow of 43.57 million yuan [3]

Group 1 - The graphite electrode sector saw a rise of 2.32%, ranking third among concept sectors, with 12 stocks increasing in value, including Puxin Technology, Shantai Technology, and Suotong Development reaching their daily limit [1][2] - Notable gainers included Zhongke Electric, Bettery, and China Baowu, which rose by 14.59%, 13.58%, and 3.70% respectively [1] - The sector experienced a net outflow of 0.11 billion yuan in main funds, with 8 stocks receiving net inflows, and 7 stocks seeing inflows exceeding 10 million yuan [2][3] Group 2 - The top net inflow was recorded for Suotong Development, with a net inflow of 324 million yuan, followed by Shantai Technology and Puxin Technology with net inflows of 220 million yuan and 205 million yuan respectively [2][3] - The net inflow ratios for Shantai Technology, Suotong Development, and Puxin Technology were 21.42%, 19.39%, and 11.52% respectively [3] - The stocks with the largest declines included Guomin Technology, Yong'an Pharmaceutical, and Huajin Co., which fell by 3.42%, 1.72%, and 1.50% respectively [1][4]