The qualification requirement for crude oil delivery in Shanghai Futures Exchange is API degree 32.0. According to relevant information, the qualification requirements of Shanghai Futures Exchange for crude oil delivery are: API degree 32.0, sulfur content 1.5%, 1.5%, which can meet the qualification requirements for crude oil delivery. Crude oil is oil, also known as "black gold". Traditionally, it is called crude oil extracted directly from oil wells. It is a dark brown or dark green viscous liquid or semi-solid combustible substance composed of various hydrocarbons.