Full name: Shanghai International Energy Trading Center crude oil futures standard contract, trading unit: 1000 barrels per hand; Minimum price change: 0. 1 yuan (RMB)/barrel; Range of price limit: no more than 4% of the settlement price of the previous trading day; Contract delivery month: the latest1-1February is a continuous month, and the next eight quarterly months; Delivery date: five consecutive trading days after the last trading day.