Low sulfur light crude oil. Before the end of winter, the high and low sulfur fuel oil market will generally maintain the existing pattern, supporting the high and low sulfur price difference between domestic and foreign markets. Low sulfur fuel oil corresponds to low sulfur light crude oil. Low sulfur fuel oil futures, a kind of futures. Transaction Significance Low-sulfur fuel oil is the main fuel for international ships, and China is a big importer and consumer of low-sulfur fuel oil.