投资者关系活动记录表 编号：2026-002 | | 特定对象调研 ☑ | □分析师会议 | | | --- | --- | --- | --- | | 投资者关系活动 | □媒体采访 | □业绩说明会 | | | 类别 | □新闻发布会 | □路演活动 | | | | □现场参观 | □一对一沟通 | | | | 其他（电话会议） ☑ | | | | | 南方基金 李金哲 国海证券 孟美辰 | | | | 参与单位名称及 | | | | | 人员姓名 | 易方达基金 胡硕倬 | | | | | 财通证券 孟欣 | | | | | 浙商证券 曹馨茗 | | | | 时间 | 2026 年 1 月 22 日下午 | 15:00-16:00 | | | 地点 | 公司会议室结合线上会议 | | | | 上市公司接待人 | 董事会秘书兼财务总监 | 李炎臻 | | | 员 | 职工董事兼证券事务代表 | 杨易硕 | | | | 一、公司在金刚石散热领域的进展情况？ | 与相关人员就其关心的问题进行交流，以下为会谈纪要： | | | | | 金刚石具有禁带宽大、击穿场强高、热导率高等优点，可用于光 | | | 投资者 ...

证券日报网讯1月22日，四方达（300179）在互动平台回答投资者提问时表示，公司生产的PCD微钻钻 头，具有寿命长、加工精度高及光洁度好等特点，随着PCD微钻钻头产业的不断发展，可逐步降低国内 高端制造业对进口精密及超精密加工工具的依赖，公司目前也在持续关注PCD微钻在PCB板等高端制造 领域的应用方向，有关公司产品的经营情况请以公开披露的信息为准。 ...

（文章来源：每日经济新闻） 每经AI快讯，1月22日，超硬材料概念震荡走高，截至发稿，宇晶股份、博云新材涨停，沃尔德、四方 达等跟涨。 ...

Market Overview - As of January 21, the Shanghai Composite Index closed at 4116.94 points, up by 3.29 points, with a growth rate of 0.08% [1] - The Shenzhen Component Index closed at 14255.13 points, increasing by 99.50 points, representing a growth rate of 0.70% [1] - The ChiNext Index closed at 3295.52 points, rising by 17.54 points, with a growth rate of 0.54% [1] High Turnover Stocks - A total of 80 A-shares had a turnover rate exceeding 20% on this day, with Aisheren reaching a turnover rate of over 50% [1] - The stock Aisheren had a closing price of 44.04 yuan, with a turnover rate of 78.23% and a significant increase of 175.59% [1] - Other notable stocks with high turnover rates include: - Nabai Chuan: Closing price 86.26 yuan, turnover rate 44.53%, increase of 9.87% [1] - Guangdian Electric: Closing price 6.09 yuan, turnover rate 44.40%, increase of 9.93% [1] - Jintaiyang: Closing price 39.13 yuan, turnover rate 44.16%, increase of 19.96% [1] Additional High Turnover Stocks - Other stocks with notable turnover rates include: - Blue Arrow Electronics: Closing price 36.75 yuan, turnover rate 43.18%, increase of 2.45% [1] - Sanbian Technology: Closing price 21.06 yuan, turnover rate 41.55%, decrease of 8.03% [1] - Hongbaoli: Closing price 9.59 yuan, turnover rate 39.79%, increase of 9.98% [1] - The stock with the highest turnover rate in the second list is Tai Li Technology, with a turnover rate of 28.52% and an increase of 6.32% [2] Summary of Notable Stocks - The stock with the highest turnover in the third list is Tian Di Online, with a turnover rate of 22.08% and an increase of 10.01% [3] - Other significant stocks include: - New Henghui: Closing price 85.76 yuan, turnover rate 22.04%, increase of 2.22% [3] - Jiangtian Chemical: Closing price 31.56 yuan, turnover rate 22.01%, increase of 4.12% [3]

1月20晚，四方达（300179）发布公告称，公司于近日收到持股5%以上股东及控股股东、实际控制人的 一致行动人付玉霞、董事兼总经理高华、副总经理师金棒出具的《关于股份减持计划的告知函》。 具体来看，持有公司股份3420.14万股(占公司扣除回购专用账户股份后的总股本比例7.0788%)的持股5% 以上股东及控股股东、实际控制人的一致行动人付玉霞计划在公告披露之日起十五个交易日后的三个月 内以集中竞价方式减持公司股份不超过483.15万股(占公司扣除回购专用账户股份后的总股本比例1%)。 持有公司股份11.45万股(占公司扣除回购专用账户股份后的总股本比例0.0237%)的董事兼总经理高华计 划在公告披露之日起十五个交易日后的三个月内以集中竞价方式减持公司股份不超过2.86万股(占公司 扣除回购专用账户股份后的总股本比例0.0059%)。 持有公司股份8万股(占公司扣除回购专用账户股份后的总股本比例0.0166%)的副总经理师金棒计划在公 告披露之日起十五个交易日后的三个月内以集中竞价方式减持公司股份不超过2万股(占公司扣除回购专 用账户股份后的总股本比例0.0041%)。(王珞) ...

每经AI快讯，1月21日，培育钻石指数盘初跌2%，主要成分股普遍走低。其中，四方达跌4.20%，黄河 旋风跌3.69%，惠丰钻石跌2.51%，力量钻石跌1.38%，沃尔德跌1%。 （文章来源：每日经济新闻） ...

今日涨跌幅居前的概念板块 培育钻石概念资金流入榜 截至1月20日收盘，培育钻石概念上涨1.93%，位居概念板块涨幅第5，板块内，12股上涨，恒盛能源涨 停，四方达、惠丰钻石、黄河旋风等涨幅居前，分别上涨11.03%、5.09%、4.87%。跌幅居前的有楚江 新材、博云新材、晶盛机电等，分别下跌4.24%、3.63%、2.26%。 | 概念 | 今日涨跌幅（%） | 概念 | 今日涨跌幅（%） | | --- | --- | --- | --- | | 环氧丙烷 | 5.78 | 军工信息化 | -3.29 | | 草甘膦 | 3.45 | 卫星导航 | -3.16 | | 丙烯酸 | 2.64 | 太赫兹 | -3.15 | | NMN概念 | 1.95 | 6G概念 | -2.98 | | 培育钻石 | 1.93 | F5G概念 | -2.97 | | 租售同权 | 1.75 | 成飞概念 | -2.87 | | 水泥概念 | 1.59 | 商业航天 | -2.78 | | 啤酒概念 | 1.52 | 海南自贸区 | -2.75 | | 广东自贸区 | 1.44 | 光纤概念 | -2.66 | | 高股息 ...

Market Overview - The Shanghai Composite Index closed at 4105.16 points, below the five-day moving average, with a decline of 0.21% [1] - The total trading volume of A-shares reached 230.22 billion yuan [1] Stocks Performance - A total of 339 A-shares have prices that broke through the five-day moving average today [1] - The stocks with the largest deviation rates include: - Meibang Technology (21.58%) - Jiayun Technology (10.57%) - Dongtong Retreat (8.25%) [1] - Stocks with smaller deviation rates that just crossed the five-day moving average include: - China Merchants Bank - Balanshi - Aike Co., Ltd. [1] Top Stocks by Deviation Rate - The top stocks with significant price increases and their respective deviation rates are: - Meibang Technology: 29.94% increase, 25.39% turnover rate, latest price 17.49 yuan [1] - Jiayun Technology: 19.92% increase, 18.95% turnover rate, latest price 6.38 yuan [1] - Dongtong Retreat: 9.78% increase, 9.36% turnover rate, latest price 2.02 yuan [1] - Other notable stocks include: - Hongmian Co., Ltd.: 10.13% increase, latest price 4.24 yuan, deviation rate 8.16% [1] - Shanghai Jiubai: 10.01% increase, latest price 14.07 yuan, deviation rate 8.11% [1]

Core Viewpoint - The superhard materials sector experienced a significant rally in the afternoon, with Sifangda rising over 10%, while other companies like Huanghe Xuanfeng, Huifeng Diamond, Power Diamond, and World also saw notable gains [1] Group 1 - Sifangda's stock price increased by more than 10% [1] - Other companies in the superhard materials sector, including Huanghe Xuanfeng, Huifeng Diamond, Power Diamond, and World, also experienced upward movement in their stock prices [1]

Core Viewpoint - The company Sifangda (300179.SZ) announced a share reduction plan involving major shareholders and executives, indicating potential changes in ownership dynamics and possible impacts on stock performance [1][2]. Shareholder Reduction Plans - Shareholder Fu Yuxia plans to reduce her holdings by up to 4,831,536 shares, representing 1.0000% of the total share capital after excluding repurchased shares [1][3]. - Director and General Manager Gao Hua intends to sell up to 28,600 shares, accounting for 0.0059% of the total share capital after excluding repurchased shares [2][3]. - Vice General Manager Shi Jinbang plans to reduce his holdings by up to 20,000 shares, which is 0.0041% of the total share capital after excluding repurchased shares [2][3]. Financial Performance - For the first three quarters of 2025, the company reported a net cash flow from operating activities of -71.3571 million yuan [4].