Group 1 - The State Intellectual Property Office of China granted a patent for "cabinet air conditioning indoor units and cabinet air conditioners" to Qingdao Haier Air Conditioning Co., Ltd., Qingdao Haier Air Conditioning Electronics Co., Ltd., and Haier Smart Home Co., Ltd. The patent authorization announcement number is CN113048572B, with an application date of April 2021 [1] - Qingdao Haier Air Conditioning Co., Ltd. was established in 1996, located in Qingdao, with a registered capital of 93,638.162532 million RMB. The company has invested in 19 enterprises, participated in 3,367 bidding projects, holds 259 trademark records, 5,000 patent records, and has 19 administrative licenses [1] - Qingdao Haier Air Conditioning Electronics Co., Ltd. was established in 1999, also located in Qingdao, with a registered capital of 96,709.088914 million RMB. The company has invested in 15 enterprises, participated in 4,337 bidding projects, holds 127 trademark records, 5,000 patent records, and has 29 administrative licenses [1] Group 2 - Haier Smart Home Co., Ltd. was established in 1994, located in Qingdao, with a registered capital of 943,811.4893 million RMB. The company has invested in 58 enterprises, participated in 1,691 bidding projects, holds 285 trademark records, 5,000 patent records, and has 10 administrative licenses [2]