金透社 | 马迁 2026年1月27日晚间，A股市场迎来一则震动性公告：东材科技（601208.SH）、高盟新材（300200.SZ）、毅昌科技（002420.SZ）三家上市公司同步披露， 公司实际控制人熊海涛被四川省监察委员会立案调查并实施留置。公告发布次日，三家公司股价集体承压、应声下跌，截至1月28日收盘，高盟新材跌幅达 14.52%，毅昌科技接近跌停（跌幅9.94%），东材科技下跌3.65%，三家公司总市值合计蒸发约22亿元，陷入明显的股价困局。 表面上看，这是一场实控人个人风险引发的短期股价波动，但结合熊海涛隐秘的资本版图、三家公司的发展历程、历史遗留的改制争议以及关联案件线索不 难发现，股价的集体低迷背后，是实控人风险、公司治理隐患、历史遗留问题的集中爆发。这场突如其来的留置调查，不仅揭开了一位女富豪资本发家史的 争议面纱，更将三家上市公司推向了经营与资本市场的双重考验。本文将基于官方公告、法院判决、监管披露等可靠信息，拆解事件全貌，剖析股价困局的 深层逻辑，并探讨其背后的行业启示与监管意义。 被查女富豪：手握三家上市公司，资本版图隐秘且复杂 此次被查的熊海涛，是四川本土知名女富豪，1964年4月 ...

Core Viewpoint - The announcement regarding the detention of the actual controller, chairman, and president of Shiming Technology (300522.SZ) is a personal matter unrelated to the company, leading to a significant drop in the company's stock price. Group 1: Company Overview - Shiming Technology Co., Ltd. was established in December 2001 and specializes in the research and production of color paste, functional additives, and integrated computer color matching systems [4]. - The company went public on the Growth Enterprise Market in 2016, with a current stock price of 16.77 yuan per share, resulting in a market capitalization of approximately 5.4 billion yuan [4]. - Shiming Technology operates four major production bases located in Kunshan, Changshu, Yueyang, and Panjin [4]. Group 2: Financial Performance - In the 2024 annual report, Shiming Technology reported a total revenue of 697 million yuan, representing a year-on-year increase of 2.30%, and a net profit attributable to shareholders of 22.62 million yuan, up 25.61% year-on-year [4]. - The Q1 2025 report indicated total revenue of 159 million yuan, a decrease of 117.64 million yuan compared to the same period last year, reflecting a year-on-year decline of 6.89%. The net profit attributable to shareholders was 5.44 million yuan [4]. Group 3: Leadership and Control - Lu Yong, born in 1974, is the actual controller, chairman, and president of Shiming Technology, and has held multiple leadership positions in various companies [6][8]. - Lu Yong acquired control of Shiming Technology through two share transfers from the controlling shareholders, totaling nearly 650 million yuan, which accounted for 16.96% of the shares [8]. - Lu Yong has been in control of Shiming Technology for only a year and a half, and has served as chairman for less than a year [10]. Group 4: Recent Developments - On July 28, Shiming Technology announced that Lu Yong was subject to detention due to matters related to Jiangsu Banbutang Real Estate Co., Ltd., which is unrelated to the company [1][10]. - Following the announcement, the company's stock price fell by 10.32%, closing at 15.04 yuan [10]. - The company stated that the detention of the chairman is a personal matter and does not affect the company's operations, with the vice chairman prepared to assume responsibilities if necessary [10].