Group 1 - Haier Smart Home Co., Ltd. has obtained a patent titled "Method for Searching Smart Devices, Electronic Devices, and Conversion Devices," with authorization announcement number CN115987939B, applied for on November 2022 [1] - Haier U+ Smart Technology (Beijing) Co., Ltd., established in 2015, focuses on technology promotion and application services, with a registered capital of 143 million RMB, and has participated in 16 bidding projects, holding 1 trademark and 2,151 patents [1] - Qingdao Haier Technology Co., Ltd., founded in 2000, specializes in instrument and meter manufacturing, with a registered capital of 80 million RMB, having participated in 75 bidding projects, holding 193 trademarks and 3,980 patents [1] Group 2 - Haier Smart Home Co., Ltd., established in 1994, is primarily engaged in the manufacturing of electrical machinery and equipment, with a registered capital of approximately 943.81 million RMB, having invested in 60 companies and participated in 1,766 bidding projects, holding 289 trademarks and 5,000 patents [2]