Brick Production Line 1. Hydraulic control 2. Hollow, proous, standard brick 3. High ... the demand of customers. QT12-15 (12 stands for the production of hollow blocks, like 390*190*190mm is 12 pieces ... porous brick, etc.4. Reasonable and compact structure, stable working, saving space. Technological Process Material → Activation→ Batching → Mixing → Conveyance ↓ Delivery ← Curing ...