Crude oil investment, namely oil investment, is an important international investment project. Domestic individuals mainly participate in crude oil investment through cooperation with institutional members of oil exchanges. There are four main investment methods in the world: spot investment, futures investment, futures indexed investment and energy stock investment; At present, China mainly supports spot investment.

The physical delivery place of electronic trading of crude oil investment is the delivery warehouse designated by the trading center (including the delivery warehouse of the member location authorized by the trading center).

Customers who buy crude oil can make a delivery declaration on the trading day (customers must deposit the full amount into their trading reserve account before that) and extract crude oil (barrels);

Customers who sell crude oil can declare delivery within each trading day 10:00- 16:00(24-hour system), hand over crude oil (barrels) to members, settle the payment and complete delivery.