QT4-15 automatic hydraulic concrete cement hollow solid paving block making machine is one of our sell best automatic block machine model, it is full automatic can make all types of hollow blocks, solid blocks, paving blocks, curbstones and so on, adopts our most advanced hydraulic system and vibration system, can ensure the block quality very good and the working noise very low. We cooperated with SIEMENS, SCHNEIDER, OMRON, CALYCA and so on to make sure our block machine with high quality and keep our machine work more stable