On January 28, Zibo Xintai Petrochemical Co., Ltd. quoted petroleum coke at 2,850 yuan per ton, up by 50 yuan per ton compared to the previous trading day, with sulfur content at 2.4 and vanadium content at 297. The company's daily production of petroleum coke from coking is 500 tons, and shipments are proceeding normally. PriceSeek analysis of petroleum coke, with a long-short rating: 1. The price increased by 50 yuan per ton compared to the previous trading day to 2,850 yuan per ton, a rise of approximately 1.75%, indicating tight market supply and demand as well as strengthening demand. The company's daily production of 500 tons and normal shipments suggest stable supply but upward price movement, which is favorable for spot prices. The rating is +1.0, representing a generally positive outlook, as the increase is significant but not accompanied by extreme events.