万和电气：与深圳市优必选科技股份有限公司暂无业务往来

Group 1 - The company, Wanhe Electric (002543), is a specialized manufacturer in the domestic water heater, kitchen appliance, and hot water system sectors [1] - There is currently no business relationship between the company and Shenzhen Ubtech Robotics Co., Ltd. [1] - The company has not engaged in any liquid cooling technology-related business [1]