The factors affecting spot asphalt are:

1. Supply and demand: production volume, consumption volume, import and export volume, inventory volume;

2. International and domestic Economic situation: Asphalt is an important industrial raw material, and its demand is closely related to the economic situation. Weekly chart of the U.S. Asphalt Futures Index;

3. Import and export policies, tariffs;

4. Prices in relevant international markets;

5. Industry development trends and changes;