1, Chicago itself is an important industrial city with strong commodity production capacity;

2. Chicago is located in the transportation hub, with convenient waterway and railway transportation and convenient commodity circulation;

3. Chicago is close to the industrial base in the northeast of the United States, with dense population and broad market.

Chicago is located at the southern end of Lake Michigan, north of the Central Plains, with flat terrain, convenient land and water transportation and superior geographical location for commodity distribution. Chicago is the largest city in Central America, and also the industrial center of mechanical metallurgy and meat processing. It has a strong commodity production capacity and a vast economic hinterland in the Great Lakes region of the Central Plains.