On January 13, Yatong Petrochemical quoted petroleum coke at 1,850 yuan/ton, down 100 yuan/ton from the previous trading day, with a sulfur content of 4.7. The delayed coking unit has an annual capacity of 1.2 million tons and a daily output of 850 tons. PriceSeek's analysis of petroleum coke gives a long-short score of -1.5. The article reports that Yatong Petrochemical lowered its petroleum coke quotation by 100 yuan/ton to 1,850 yuan/ton, a decrease of approximately 5.13%. This price reduction directly reflects ample market supply (with an annual unit capacity of 1.2 million tons and a daily output of 850 tons) or weak demand, exerting significant downward pressure on spot prices. The adjustment in quotations may drive the overall spot market in the industry downward, intensifying bearish sentiment in the market.