... #,150#,180#,220#Micropowder:240#,280#,320#,360#,400#,500#,600#,800#,1000#,1200#,1500# 2000#,2500#,3000#,4000#Refractory grade1-0mm ... import and export company and professional sales team4.production capacity:1000 to 1500mt per month5.the matter which this is others ...