... dimensions 3.perfect torsional strength Product introduction:1. QTJ4-20 Hydraulic Automatic Baking-Free Brick Machine is an equipment ... mechnical, hydraulic and electrical control systems. It is characterized by high efficiency, reasonable design, compact structure, easy operating and ... production capacity for standard bricks38000pcsBy the way, for QTJ4-20, It includes 1 set host machine, 1 set conveyor ...