Group 1 - Haier Smart Home Co., Ltd. has obtained a patent for "Frost Control Method, Device, and Air Conditioning Unit," with authorization announcement number CN116772364B, applied on May 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 5,000 patents [1] - Qingdao Haier Air Conditioning Co., Ltd., established in 1996, has a registered capital of 93,638.162532 million RMB, invested in 20 companies, participated in 4,438 bidding projects, and holds 5,000 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 5,000 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 1,757 bidding projects, and holds 5,000 patents [2]