Then, in 1907, it was opened as a treaty port.
The city became a treaty port in 1876 and has remained a commercial center since that time.
At that time, Shanghai was one of the five treaty ports.
In 1842, Shanghai became a treaty port, thus developing into an international commercial city.
It was one of the Treaty Ports open to foreign settlement in the 19th century.
During the late 1800s Ganzhou was opened as one of the southern treaty ports and became a minor base for foreign companies.
According to the customs statistics, 6,917,000 Chinese inhabited the treaty ports in 1906.
The treaty ports of the world were never entered by her visiting battleships.
The treaty port of Weihaiwei used revenue stamps from 1921 to 1930.
The Federation badly needs a treaty port in this cluster.