On January 7, Yatong Petrochemical's petroleum coke was quoted at 1,790 yuan/ton, up 20 yuan/ton from the previous trading day, with a sulfur content of 4.9. The delayed coking unit has an annual capacity of 1.2 million tons and a daily output of 850 tons. PriceSeek analysis of petroleum coke, long-short score: 1. The article indicates that Yatong Petrochemical's petroleum coke price increased by 20 yuan/ton to 1,790 yuan/ton, a rise of approximately 1.1%, suggesting tight supply or increased demand in the spot market, which directly supports spot prices. Considering the unit's operating conditions (annual capacity of 1.2 million tons, daily output of 850 tons), the current price increase may reflect short-term improvements in supply and demand, benefiting bullish sentiment. The score of +1.0 indicates a moderate positive impact, as the increase is significant but not substantial. Further attention should be paid to the impact of capacity utilization and sulfur content (4.9) on market acceptance.