1.The compressive strength of brick was as high as 25Mpa; 2.from 70% to 80% of the industrial fly ash,slag, fine sand should be BDHDP-2000 full hydraulic double press brick making machine line60,000,000 pcs standard brick per yearamount consumed of fly ash is from 85,000 to 98,000 TWendy Ruan project mangerMobile:86-138 711 88071Skype:whbdzj008Yahoo:whbdzj008 Two-way Hydraulic HDP-2000 Full ...