... dimensions 3.perfect torsional strength Product introduction:1. QTJ4-20 Hydraulic Automatic Baking-Free Brick Machine is an equipment involving ... The formed products are high in compressive strength, good in density, perfect in anti-frost and precise in dimensions. Its ... production capacity for standard bricks38000pcsBy the way, for QTJ4-20, It includes 1 set host machine, 1 set conveyor ...