Mei Ri Jing Ji Xin Wen·2025-09-10 12:58Core Viewpoint - A leaked research report suggests that certain companies are Tier 1 suppliers for Tesla's humanoid robot, impacting stock prices of related firms in the market [2][5]. Group 1: Companies Involved - The report identifies Top Group and Sanhua Intelligent Controls as the two main Tier 1 suppliers for Tesla's humanoid robot [5]. - Other companies like Zhejiang Rongtai, Zhenyu Technology, and Yinlun Co. are also considered potential Tier 1 suppliers, with their stock prices showing significant fluctuations [2][9]. Group 2: Stock Market Reactions - On September 10, stocks of Sanhua Intelligent Controls and Yinlun Co. experienced slight declines, while Zhenyu Technology dropped by 4.64%. In contrast, Zhejiang Rongtai's stock rose by 6.47% [2]. - Since 2025, stock price increases for Yinlun Co., Zhejiang Rongtai, and Zhenyu Technology have been 93%, 355%, and 198% respectively [11]. Group 3: Company Responses - Sanhua Intelligent Controls declined to comment on the report, citing confidentiality regarding client information [7]. - Zhejiang Rongtai has indicated that it is progressing well with humanoid robot projects but cannot disclose specific details due to confidentiality [7]. Group 4: Material Insights - The report claims that Tesla does not use PEEK material but instead relies heavily on magnesium-aluminum alloys for its humanoid robots [11]. - Baowu Magnesium Industry stated that their supply of aluminum-magnesium alloy products for humanoid robots is currently limited [11]. Group 5: Shareholder Activities - Recent shareholder activities at Zhejiang Rongtai show significant reductions in holdings by major shareholders, while notable investors like Zhang Jianping have increased their stakes [12][14]. - Zhejiang Rongtai has been active in expanding its business, including acquiring a majority stake in a precision machinery company and establishing a new subsidiary focused on robotics [14].