Group 1 - Haier Smart Home Co., Ltd. has obtained a patent for a control method and device for variable capacity compressor air conditioning, with the authorization announcement number CN116951846B, applied on July 2023 [1] - Qingdao Haier Air Conditioning Co., Ltd., established in 1996, has a registered capital of 9,363.8162532 million RMB and has invested in 20 companies, participated in 4,621 bidding projects, and holds 5000 patents [1] - Qingdao Haier Air Conditioning Electronics Co., Ltd., established in 1999, has a registered capital of 9,670.9088914 million RMB, invested in 15 companies, participated in 4,634 bidding projects, and holds 5000 patents [1] Group 2 - Qingdao Haier Intelligent Technology Research and Development Co., Ltd., established in 2014, has a registered capital of 130 million RMB, invested in 9 companies, participated in 7 bidding projects, and holds 5000 patents [2] - Haier Smart Home Co., Ltd., established in 1994, has a registered capital of 943,811.4893 million RMB, invested in 60 companies, participated in 1,769 bidding projects, and holds 5000 patents [2]