... QT4-20C Flyash brick machine making machine 1.Introduction of companyShandong Hongfa Scientific Industrial & Trading Co.,Ltd. is one of the largest block ... Power27.5KWPallet Size1020*570(mm)Raw Materialscrushed stone, sand, cement, dust and coal fly ash, cinder, slag, ... interlocking blocks, etc. 5.Productivity of QT4-20C concrete brick machine SizeSize mmCycle mouldingQTY/MouldPer hour Hollow brick ...