We are the most important trading center on the whole coast.
The city grew as a trading center between the southwest and the rest of China.
It is a large business and trading centre of the valley.
It was established in 1849 as a trading center for miners of the area.
The city is also a regional trading center for live produce.
But on a recent morning, the trading center was nearly empty.
It has continued to be an important trading centre to the present day.
The village is an old trading centre since the 1800s.
It is the largest business and trading center of the valley.
From the 16th to 18th century it was an important trading administrative center.
