Core Insights - The "2025 China Automotive Thermal Systems Academic Annual Conference" held in Chongqing is the largest industry event to date, with an exhibition area exceeding 12,000 square meters, focusing on innovative technologies such as energy conservation, environmental protection, cost control, vehicle safety, refrigerant selection, testing standards, and AI technology [1] Group 1: Event Overview - The conference was co-hosted by the China Automotive Industry Association, China Society of Automotive Engineers, and China Refrigeration Society, with various subcommittees involved in its organization [1] - The event featured a main venue and three sub-venues, discussing seven key topics including propane (R290) thermal management systems, carbon dioxide (CO2) efficient heat pump systems, mixed refrigerant adaptability research, secondary loop key technologies, intelligent algorithms for thermal management systems, air quality control in smart cabins, and chip and domain control technologies for thermal management systems [2] Group 2: Regulatory and Environmental Context - Since joining the Montreal Protocol on Substances that Deplete the Ozone Layer in 1991, China has eliminated approximately 628,000 tons of ozone-depleting substances (ODS), accounting for over half of the total elimination in developing countries, receiving widespread international acclaim [1] - The country is committed to phasing out hydrochlorofluorocarbons (HCFCs) by 2040 and reducing hydrofluorocarbons (HFCs) based on baseline values by 2045, with a series of measures implemented to support these goals [1]

Group 1: Event Overview - The "2025 China Automotive Thermal System Academic Annual Conference" was held in Chongqing, organized by multiple automotive and engineering associations, marking the largest industry event to date with over 1,052 representatives and an exhibition area exceeding 12,000 square meters [1] Group 2: Automotive Industry Performance - In the first quarter of this year, China's automotive industry saw positive growth, with production and sales reaching 7.561 million and 7.47 million units, respectively, representing year-on-year increases of 14.5% and 11.2% [4] - New energy vehicles (NEVs) achieved production and sales of 3.182 million and 3.075 million units, with year-on-year growth of 50.4% and 47.1%, making up 41.2% of total new car sales [4] - Exports of automobiles reached 1.42 million units, a year-on-year increase of 7.3%, with NEV exports at 441,000 units, up 43.9% [4] - The commercial vehicle market showed noticeable impacts from macroeconomic development, with production and sales of 1.048 million and 1.051 million units, reflecting year-on-year growth of 5.1% and 1.8% [4] Group 3: Technical Discussions and Innovations - The conference featured discussions on various topics including R290 thermal management systems, CO2 efficient heat pump systems, and intelligent algorithms for thermal management systems [5] - Key presentations included advancements in compressor-centered integrated thermal management for electric vehicles and the application of new refrigerants in automotive thermal systems [5][6] - Specialized sessions addressed the adaptability of environmentally friendly refrigerants and the evaluation technologies for thermal management systems and key components [8][9]