QT40-3A Hot sale mobile concrete block small move hollow brick making machine on sale to africa advantage    1). QT40-3A Mobile hollow block machine advanced techniques, reasonable structures, this machine adopting mould vibration,it can manual moving ,forward, backward, turn direction, this machine is of small size, higher production, easy to operate, high efficiency, low maintenance.     2).High performance: mobile hollow block machine using high quality steel, fine workmanship , Taiwan selected hydraulic components, so the machine can  producing block continually.     3). QT40-3A Mobile hollow block machine makes blocks quickly, consumer low electricity( only consumer 1/6 of electricity on  the same model block machine),and the blocks produced by it is of high density and strength, precise dimensions. So selecting this machine can lower the client investments and save production costs(it no need pallets),it is the first choice for the client