1.price is resonable 2.qulitity is great DescriptionQuick ... no Scrap iron at all, graphite petroleum coke has high absorptive character, no residue will be left, save ... Ductile iron foundry2, Characteristic: high carbon, low sulfur, with stable effect for improving the carbon content, high absorptive of carbon.3, apply ... the carbon contentSkype:candy20121989 Graphitized Petroleum Coke with low price