Which industrial park in Chongqing has more world-class factories?

There are many world-class factories in the industrial park in Banan District. According to relevant information, Banan Industrial Park consists of four parts. The first one is Huaxi Industrial Park. Huaxi Second Lujiao Industrial Park, Third Zhu Jin Industrial Park and Fourth Jieshi Industrial Park are economic industrial parks in Banan District. The whole planning area is 600,000 square kilometers, including 60 square kilometers in Huaxi and Zhu Jin, and the other 54 square kilometers, which is the largest number of world-class factories.