The Chang'an Automobile Smart Factory in the Qianyan Technology City of Yubei District is a hive of activity. In September last year, three new models from three major brands including Avita were put into production simultaneously in this new factory. In December, the production capacity reached 24,000 units. The factory, jointly built by China Unicom, Huawei, and Chang'an Automobile, is a full - domain 5G smart AI flexible super - factory. It has 4 5G macro - stations and 338 5G micro - stations, connecting 5 major categories, 25 sub - categories, and 103 5G + scenarios, with over 12,000 devices networked and a data collection efficiency of 1 million data points per second. With the support of 5G + industrial internet and 5G + AI, the factory has applied 44 advanced manufacturing technologies, such as the world's first stamping part online detection and automatic packing system.