中汽股份：整车场自建的汽车试验场规模较大的主要有上汽通用广德研发试验中心等

Core Viewpoint - The announcement from Zhongqi Co., Ltd. highlights the existence of large-scale self-built automotive testing facilities by various companies in the industry, indicating a trend towards in-house testing capabilities for vehicle development [1] Group 1 - Zhongqi Co., Ltd. mentioned several major automotive testing facilities, including those of SAIC General, Changan Automobile, FAW, and BYD [1]