大涨！上交所火速问询688575

Core Viewpoint - The Shanghai Stock Exchange has issued an inquiry letter to Yahui Long, requesting additional disclosure regarding its strategic cooperation with Shenzhen Brain Machine Star Chain Technology Co., Ltd. [2] Group 1: Cooperation Details - Yahui Long signed a strategic cooperation framework agreement with Brain Machine Star Chain on January 6, focusing on clinical transformation and market expansion of brain-machine interface technology [2][4] - The cooperation will involve market promotion and revenue sharing [4] Group 2: Inquiry Requirements - The Shanghai Stock Exchange requires Yahui Long to disclose the main technical routes, product types, application fields, and commercialization status of Brain Machine Star Chain [5] - Yahui Long must analyze the feasibility of market promotion collaboration based on its main business and the synergies with Brain Machine Star Chain [5] - The company is also required to provide a timeline for future promotional agreements and expected revenue sharing [5] Group 3: Product Development Status - Brain Machine Star Chain, established in September 2025, is developing products such as EEG analysis devices and non-invasive brain-machine interface devices, which are still in early development stages [4][6] - The vagus nerve stimulation device is in the registration preparation stage, while other products are in early research or preclinical stages [4] Group 4: Financial Performance and Investment Feasibility - Yahui Long's revenue and net profit for the first three quarters of 2025 decreased by 7.69% and 72.36% year-on-year, respectively, with cash reserves of 465 million yuan [10][13] - The company plans to provide financial and business support to Brain Machine Star Chain through equity investment or joint ventures [10][13] - Yahui Long stated that the strategic cooperation will not significantly impact its performance in the short term [13]