Many people can't tell the codes of domestic futures varieties. In fact, each code represents a futures variety. You only need to understand the meaning of the code, or look it up, and you can be familiar with which varieties these codes represent, because the code is also regular.
Commodity futures are the main futures products in the domestic futures market. At present, there are more than 60 kinds of commodity futures without thresholds, some of which are specific varieties with thresholds, belonging to the three major commodity futures exchanges, and each futures variety has a trading code.