Please quote for the following wholesale product requirement - Product Name : Petroleum Coke Specifications: Low-sulfur Petroleum Coke Within 1%, Quantity Required : 50,000 metric tons Quantity Required : 50000 Metric Ton/Metric Tons Shipping Terms : CIF Destination Port : Qingdao/ Singapore, China Payment Terms : LC/TT Looking for suppliers from : Worldwide Contact : Jiguo Chen