on february 22, 2023, the oil asphalt futures market fell. the main asphalt contract 2306 opened at 3774 rmb/ton, the highest price was 3779 rmb/ton, the lowest price was 3724 rmb/ton, and closed at 3763 rmb/ton, n 4% from the previous trading day, with a drop of 0.11%. the trading volume was 269572, the position was 311041, and the daily increase was 9032.