Industrial zone in the world ?

One of the largest industrial zones in the world is the Pearl River Delta in China. This region is known for its high concentration of manufacturing and industrial activity, including electronics, textiles, and automotive production. Other notable industrial zones include the Ruhr Valley in Germany, the Detroit metropolitan area in the United States, and the Kansai region in Japan.

- Shenzhen, China

Shenzhen is a major industrial city in southern China, located on the Pearl River Delta. It is one of the most important economic and technological hubs in the world, and is home to a variety of industries, including electronics, telecommunications, and biotechnology.

- Tokyo-Yokohama, Japan

The Tokyo-Yokohama metropolitan area is the most populous and economically developed region in Japan. It is home to a wide range of industries, including automobiles, shipbuilding, and electronics.

- New York City, United States

New York City is the largest and most economically important city in the United States. It is home to a variety of industries, including finance, insurance, real estate, and tourism.

- London, United Kingdom

London is the capital and largest city of the United Kingdom. It is one of the world's leading financial centers, and is home to a variety of industries, including banking, insurance, and telecommunications.

- São Paulo, Brazil

São Paulo is the largest and most economically important city in Brazil. It is home to a variety of industries, including manufacturing, textiles, and automotive.