Group 1 - Chongqing Changan Automobile Co., Ltd. has applied for a patent titled "An Air Conditioning Control Method, System, and Vehicle," with publication number CN121316495A, and the application date is November 2025 [1] - The patent involves vehicle control technology, specifically focusing on an air conditioning control method that determines target parameter values for controlled parameters based on the heating needs of the passenger compartment [1] - The controlled parameters include evaporation temperature and the opening degree of the hot and cold air doors, utilizing a control optimization model to optimize these target parameter values for more precise air conditioning control [1] Group 2 - Chongqing Changan Automobile Co., Ltd. was established in 1996 and is primarily engaged in the automotive manufacturing industry, with a registered capital of 991,408.606 million RMB [2] - The company has invested in 120 enterprises and participated in 5,000 bidding projects, holding 3,116 trademark information records and 5,000 patent records, along with 1,056 administrative licenses [2]