Brick Production Line 1. Hydraulic control 2. Hollow, proous, standard brick 3. High efficiency, low cost 4. Need 4-6 people Introduction of QT12-15 ... demand of customers. QT12-15 (12 stands for the production of hollow blocks, like 390*190*190mm is 12 pieces ... such as hollow brick, standard brick and porous brick, etc.4. Reasonable and compact structure, stable working, saving space. Technological ...