Pig futures refer to futures contracts with pigs as the subject matter (popularly speaking, signing a contract to buy pigs at the current futures market price in a few months). It hasn't been listed yet.

Crude oil futures refer to futures contracts with crude oil as the subject matter. At present, there are only crude oil downstream products in China, and fuel oil can be traded. Crude oil futures will be launched later to be in line with international oil prices. I believe it is time to connect with the international oil price when it is launched ~