On January 14, Yatong Petrochemical quoted petroleum coke at 1,750 yuan/ton, down 100 yuan/ton from the previous trading day, with sulfur content at 4.7. 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 shows a bearish score of -1. Yatong Petrochemical lowered its petroleum coke quotation by 100 yuan/ton to 1,750 yuan/ton, a decrease of approximately 5.7%, indicating ample market supply or weak demand, which constitutes a significant bearish impact on spot prices. Specifically, the sulfur content of 4.7 may affect quality requirements, but the price reduction directly reflects inventory pressure on producers. The data on the unit's capacity of 1.2 million tons per year and daily production of 850 tons indicate stable supply, further reinforcing the downward trend in spot prices.