SMM, March 13: The shipment performance of refinery petroleum coke remained mediocre this week, with petroleum coke prices continuing to weaken. According to the latest data from SMM, the average price of petroleum coke from local refineries was approximately 2,498 yuan/mt, down 12.8% WoW. Additionally, the transaction performance of Formosa coke was also mediocre, with market prices weakening and current quotations ranging between 1,250-1,350 yuan/mt. At present, downstream enterprises in the petroleum coke market remain cautious, with buying sentiment relatively subdued. It is expected that petroleum coke prices will maintain a stable-to-weak trend next week.