Group 1 - Haier Smart Home Co., Ltd. has obtained a patent for "Deployment Method, Device, Storage Medium, and Electronic Equipment of Kafka Cluster," with the authorization announcement number CN115913929B, applied on October 2022 [1] - Haier Smart Home Co., Ltd. was established in 1994, located in Qingdao, with a registered capital of 943,811.4893 million RMB [2] - Haier Smart Home Co., Ltd. has invested in 58 companies and participated in 1,730 bidding projects, holding 285 trademark records and 5,000 patents [2] Group 2 - Haier U+ Smart Technology (Beijing) Co., Ltd. was established in 2015, located in Beijing, focusing on technology promotion and application services, with a registered capital of 143 million RMB [1] - Haier U+ Smart Technology (Beijing) Co., Ltd. has participated in 16 bidding projects, holding 1 trademark record and 1,910 patents [1] - Qingdao Haier Technology Co., Ltd. was established in 2000, located in Qingdao, primarily engaged in instrument manufacturing, with a registered capital of 80 million RMB [1] - Qingdao Haier Technology Co., Ltd. has participated in 75 bidding projects, holding 198 trademark records and 3,740 patents [1]