If physical delivery is selected, contact Dalian Commodity Exchange on the third trading day after the last trading day (the last trading day: the 10 trading day of the contract month) to put forward the demand for physical delivery, and the exchange will arrange specific trading matters, trading time and place. Generally, physical delivery is carried out by enterprises. Futures not only has the function of price discovery, but also has the function of buying and selling goods. You can buy goods at the right price through electronic transactions.