Group 1 - The State Intellectual Property Office of China has published a patent application by Qingdao Haier Air Conditioning Co., Ltd., Qingdao Haier Air Conditioning Electronics Co., Ltd., and Haier Smart Home Co., Ltd. for a "Temperature Control Method, Device, Equipment, Medium, and Program Product" [1] - The patent application, filed on February 2025, pertains to smart home technology, specifically a method for temperature control that detects environmental information such as air temperature, humidity, wind speed, and radiation temperature to determine user comfort temperature [1] - The method involves determining control parameters for multiple control loads based on environmental information and user-set target temperature, executing the method repeatedly until user comfort temperature equals the target temperature [1] Group 2 - Qingdao Haier Air Conditioning Co., Ltd. was established in 1996, located in Qingdao, with a registered capital of 9,363.8162532 million RMB, and has invested in 19 companies and participated in 3,043 bidding projects [2] - Qingdao Haier Air Conditioning Electronics Co., Ltd. was founded in 1999, also located in Qingdao, with a registered capital of 9,670.9088914 million RMB, having invested in 15 companies and participated in 4,235 bidding projects [2] - Haier Smart Home Co., Ltd. was established in 1994, located in Qingdao, with a registered capital of 94,381.14893 million RMB, having invested in 58 companies and participated in 1,658 bidding projects [2]

Group 1 - Gree Electric Appliances emphasizes that all its products are independently developed and manufactured without outsourcing or OEM production, ensuring high quality and consumer trust [2] - The company has received numerous awards for its technological capabilities, including 99 significant awards and over 96,626 patent applications, making it a leader in the home appliance industry [3] - Gree's R&D investment has remained high, with amounts of 6.529 billion yuan in 2021, 6.430 billion yuan in 2022, 7.006 billion yuan in 2023, and projected to reach 7.140 billion yuan in 2024 [3] Group 2 - In terms of smart home appliance patent applications, Gree's total in 2021 was approximately 1.45 times that of Haier, with 717 and 496 applications respectively [5] - The home appliance industry is experiencing price fluctuations, with online prices for major white goods declining due to weak downstream consumption, while offline prices have increased significantly [6] - Experts note that while significant advancements have been made in smart appliance technology, challenges remain in the white goods sector, particularly in sensor technology [9]