Details of concrete spacer molding machine: Certification:ISO9001 Condition:New Processing:Cement Block Molding Machine Method:Hydraulic Pressure Automatic:semi-automatic Voltage:220v/240v/380v Raw Material:concrete,cement,sand,fly ash,stone,coal color:as client's requirements vibration frequency:4200r.pm concrete brick machine Molding Cycle:15s url:http://www.hnblockmachine.com