1. Simple, compact and reasonable structure; easy maintenance.

2. Good tightness, high vacuum, high pressure extrusion.

3. Strong applicability, lower energy consumption, high efficiency.

They are applicable for the production of solid brick, load-bearing perforated brick, and high-rate hollow bricks with the materials of clay, coal gangue, shale, high-volume fly-ash, urban construction waste, gangue waste, inferior soil.