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By certification 
Description
Is a necessary raw material to produce excellent steel
Can increase the usage quantity of scrap steel hence reduce the cost of steel production
Has advantage of high absorption and no residue
Application
Used in electric furnace steel smelting and cast-iron for improving the carbon content
Used for iron and steel making
Is a necessary raw material to produce excellent steel
Can increase the usage quantity of scrap steel hence reduce the cost of steel production
Has advantage of high absorption and no residue
Application
Used in electric furnace steel smelting and cast-iron for improving the carbon content
Used for iron and steel making
