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 releasing2) d type has unique double air chamber (patented), which can save 30% energy, reduces water, is well distributed and not tend to deform3) produces blocks 6 - 45kg/m³ density 4) touch screen, auto transportation, auto electric weighing and printer can be attached optionally5) can be a part of the production machinery of sandwich panels of 850mm, 950mm and 1,150mm, also can produce 1,000mm building blocks