Features: 1) Uses PLC programmable controller and touch screen to finish the auto-cycle process of opening-closing mold,feeding, heating, heat preservation, cooling, demoulding and releasing. 2) D type has unique double air chamber (patented), which can save 30% energy, reduces water, is well distributed and not tend to deform. 3) Produces blocks 6 - 45kg/m?density 4) Touch screen, auto transportation, auto electric weighing and printer can be attached optionally. 5) Can be a part of the production machinery of sandwich panels of 850mm, 950mm and 1,150mm, also can produce 1,000mm building blocks.