Group 1 - Haier Smart Home Co., Ltd. has obtained a patent for a "Composite Energy Coupling System and Its Control Method," with the authorization announcement number CN116792833B, and the application date is June 2023 [1] - Qingdao Haier Air Conditioning Electronics Co., Ltd., established in 1999, has a registered capital of 9,670.9088914 million RMB and has invested in 15 companies, participated in 4,630 bidding projects, and holds 129 trademark records and 5,000 patent records [1] - Qingdao Haier Air Conditioner Co., Ltd., established in 1996, has a registered capital of 93,638.162532 million RMB, has invested in 20 companies, participated in 4,439 bidding projects, and holds 249 trademark records and 5,000 patent records [1] Group 2 - Qingdao Haier Intelligent Technology Research and Development Co., Ltd., established in 2014, has a registered capital of 130 million RMB, has invested in 9 companies, participated in 7 bidding projects, and holds 22 trademark records and 5,000 patent records [2] - Haier Smart Home Co., Ltd., established in 1994, has a registered capital of 943,811.4893 million RMB, has invested in 60 companies, participated in 1,757 bidding projects, and holds 289 trademark records and 5,000 patent records [2]