beijingsoho
https://www.beijingsoho.com/products/aac-concrete-panel-block/
What Is AAC Building Panels?
Autoclaved Aerated Concrete Panel or Block (AAC or ALC) is a lightweight porous silicate product made of siliceous materials (sand) and calcareous materials (lime, cement) as the main raw materials, mixed with gas-generating agent (aluminum powder), through the process of batching, mixing, pouring, pre-curing, cutting, autoclaving, curing and other processes.