The coke quality of Liuzhou Iron &Steel Group Co. was improved greatly by optimizing coal species,choosing the best mixing ratio of coal,strengthening operation management.

• 柳钢焦化厂通过采取优化用煤资源构成、选择最佳配煤比和加强操作管理等措施,使柳钢的焦炭质量得到了较大的改善。