... German Frequency Conversional Control. 2: Fully Automatic Auto cement blolck machine,brick making machine,concrete brick machine,concrete ... :1250x850mmGross Weight: about 15T Raw Materials:crushed stone, sand, cement, dust and coal fly ash, cinder, slag, gangue, ... Products:concrete blocks, solid/hollow/cellular masonry products, paving stones with or without face mix, garden and landscaping ...