... have high density. (1)Productivity of QT10-15 block machine ItemPicSizeQuantityCycle mouldingPer hourPer dayHollow brick 400*200*200 ... blocks, solid/hollow/cellular masonry products, paving stones with or without face mix, garden and landscaping products, slabs, edgers, kerbstones ... city constructions, etc. Theoretical workshop area of QT10-15 block machine:600-900m2,need about 6-8 workers,the curing ...