Commodities refer to raw materials that are extensively used in industry or agriculture, 

and are purchased and sold on a wholesale rather than retail basis. 

Commodities are generally classified into three categories:

1. Energy – including crude oil, natural gas, etc.

2. Basic raw materials – including gold, silver, copper, aluminum, etc.

3. Agricultural products – including sugar, corn, soybeans, etc.

Characteristics of international commodity trading:

First, the price fluctuates greatly and there are many trading opportunities.

Second, the international bulk commodity trading market is a mature financial market, and the prices of bulk commodities are not affected by individuals or institutions, and prices are open, fair and just.