China F. C: 90-95% Ash: 4.5-8.5%, S: 0.25-0.35% Electrically Calcined Anthracite Coal, Find details about China Electrically Calcined Anthracite Coal, Electrically Calcined Anthracite from F. C: 90-95% Ash: 4.5-8.5%, S: 0.25-0.35% Electrically Calcined Anthracite Coal