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Ash 8% 60-90mm Foundry Coke|Low Sulfur High Carbon|Metallurgical Coke, Find Details and Price about 10-30mm Metallurgical Coke High Carbon Metallurgical Coke from Ash 8% 60-90mm Foundry Coke|Low Sulfur High Carbon|Metallurgical Coke - Shanxi Ding'anheng New Energy Materials Co., Ltd.