On February 5, Qirun Petrochemical quoted petroleum coke at 1,530 yuan/ton, up by 30 yuan/ton compared with the previous trading day, with sulfur content of 4.0. The delayed coking unit has an annual capacity of 1.6 million tons and a daily output of 700 tons. PriceSeek analysis of petroleum coke, long-short rating: 1.5. Qirun Petrochemical's petroleum coke quotation increased by 30 yuan/ton to 1,530 yuan/ton, a rise of about 2%, indicating tight spot market supply or increased demand, which is favorable for prices. The daily output of 700 tons, combined with an annual capacity of 1.6 million tons, suggests a high capacity utilization rate, possibly due to rising raw material costs or downstream demand, supporting a short-term upward trend in spot prices.