证券时报·2026-01-06 15:21Core Viewpoint - Multiple companies indicate that their brain-computer interface (BCI) products are still in the early cultivation stage, with significant differences in technical routes compared to international mainstream technologies [1]. Group 1: Company Announcements - Several listed companies, including Nanjing Mailande Medical Technology Co., Ltd., reported that their BCI products are still in the research and market cultivation phase and have not yet achieved large-scale sales, thus not significantly impacting their financial performance [4][5]. - Mailande focuses on the development and productization of non-invasive BCI technology, which differs significantly from the invasive BCI technologies currently mainstream internationally [4]. - Weisi Medical also stated that its new products in the BCI field are in the early market cultivation stage, primarily focusing on non-invasive technology, with limited contribution to overall revenue [5]. - Xiangyu Medical revealed that it is concentrating on non-invasive BCI technology, covering various rehabilitation scenarios, but has not yet achieved large-scale sales, resulting in a small revenue contribution [8]. Group 2: Market Reactions and Regulatory Actions - As of January 6, several BCI-related stocks experienced a cumulative price deviation exceeding 30% over three consecutive trading days, prompting the companies to issue announcements regarding abnormal stock trading [4]. - The Shanghai Stock Exchange issued an inquiry letter to Yahui Long, requesting additional disclosures regarding its strategic cooperation framework agreement with Shenzhen Brain Machine Star Chain Technology Co., Ltd., including details on technology routes and product types [11]. - Yahui Long's subsequent announcement clarified that its partner, Brain Machine Star Chain, is in the early stages of product development, focusing on non-invasive technologies, and has not yet entered the registration phase for its products [13].