... cost 3.International quality 4.ISO QT4-20C Flyash brick machine making machine 1.Introduction of companyShandong Hongfa Scientific Industrial & ... regions including USA,Russia,Korea,Australia,Brazil,Argentina,India,Thailand,Vietnam,Sudan,Bangladesh and Five central Asian ... (mm)Raw Materialscrushed stone, sand, cement, dust and coal fly ash, cinder, slag, gangue, gravel, perlite, and other industrial ...