筹划控制权变更，华脉科技10月20日起停牌

Core Points - Huamai Technology (603042) announced a stock suspension due to a planned change in control, effective from October 20, with an expected duration of no more than two trading days [1] - The actual controller, Xu Aimin, notified the company on October 19 about the potential share transfer agreement that may lead to a change in control [1] - During the suspension, the company committed to promptly determine the status of the significant matter and will announce progress in accordance with relevant regulations [1]