On January 30, Yatong Petrochemical quoted petroleum coke at 1,720 yuan/ton, down 30 yuan/ton from the previous trading day, with sulfur content at 4.0%. The delayed coking unit has an annual capacity of 1.2 million tons and a daily production of 850 tons. PriceSeek analysis of petroleum coke, with a bullish-bearish score of -1: Yatong Petrochemical's petroleum coke quotation decreased by 30 yuan/ton to 1,720 yuan/ton compared to the previous trading day, a decline of approximately 1.74%. This indicates ample market supply (with an annual unit capacity of 1.2 million tons and daily production of 850 tons) or weak demand, exerting significant downward pressure on spot prices. A score of -1 suggests a generally bearish impact, which may suppress short-term spot price trends.