【December 15th, JINGBO Petrochemical Petroleum Coke Quotation】According to SMM, the petroleum coke quotation for JINGBO Petrochemical on December 15th is as follows: (1) sulfur content 2.0%, vanadium content 300ppm, quotation 2750 yuan/ton; (2) sulfur content 3.3%, vanadium content 700ppm, quotation 1367 yuan/ton; (3) sulfur content 3.8%, vanadium content 700ppm, 1303 yuan/ton.