... workers 3, Area required: 600-1500 square meter.Specifications of Concrete block mould , Model No. JW-QTJ4-40 Main ... power 9.5 KWGross weight of main machine 1.21 TOutline dimension of main machine1,350×1,460×1,800 mmProductivity: Blocks or brick ... protection,Got professional design structure and advanced technologyBlocks produced are of good quality, high density and high strengthType characteristic: ...