portland cement is a kind of admixture which composed of cement clinker .limestone， gypsum and so on 。 these materials are beaten up by the crusher。in the procedure of cement’s transportation，the cement is transimited in bulk by the belt convenyor ，then be putted in to the bottom of the vessel by a vertical cannulation。these equipments are all appropriative。its rate of loading is 8000mt every 24 hours，but if we use the bag ，then it will takes longer time。our output is 300，000 mt per month。our goods all passed 9001 ，gb175-1999 and astm standard british standerd.