On February 6, Yatong Petrochemical quoted petroleum coke at 1,700 yuan/ton, up 10 yuan/ton from the previous trading day, with sulfur content of 4.0. 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 rating: 1. Yatong Petrochemical's petroleum coke quotation increased by 10 yuan/ton to 1,700 yuan/ton, indicating tight supply or increased demand in the spot market, which is favorable for spot prices. The relatively small increase (approximately 0.59%) reflects the company's proactive price hike, supporting short-term spot prices and is considered a moderate positive.