Autoclaved aerated concrete is made of siliceous materials (sand, fly ash or tailings, etc.) and calcareous materials (lime and cement) with aluminum powder paste and other materials, through the production process of raw material preparation, batching and pouring, reinforcement section (for panel production), pre-curing and aerating, demoulding and cutting, grouping before autoclaving, high-pressure steam autoclaving and packing. In 1929, the world's first AAC factory was born in Sweden with the efforts of the Ytong company, then AAC was promoted worldwide rapidly with its excellent characteristics, such as light weight and easy construction, good fire resistance, eco-friendly, good sound and thermal Insulation etc.
Nowadays China is the world’s largest producer of autoclaved aerated concrete. As a AAC industy leader in China, KEDA SUREMAKER’s technological and R&D capabilities have played a significant role in the development of China's AAC industry and was awarded the Outstanding Contribution Award by the China AAC association in its 40th Anniversary.