On July 7, the self-raised low sulfur quotation of fuel oil 180cst in Dalian area was 5480 yuan/ton, which was 170 yuan/ton lower than that of the previous trading day, and the self-raised low sulfur quotation of fuel oil 120cst was 5580 yuan/ton, which was 170 yuan/ton lower than that of the previous trading day. The enterprise stock was normal.