Origin of Autoclaved Aerated Concrete

· AAC was first developed in Sweden in 1920s, when an architect Axel Eriksson first combined the conventional concrete mixture of cement, lime, water, and sand with a small amount of aluminum powder. 

· In 1929, the world's first AAC plant was built in Sweden, then "Ytong" & "Siporex" two production process systems were gradually formed in northern Europe and several highend equipment suppliers appeared, and then AAC was gradually ...

AAC Initial Trial Production Period in China

· In 1958-1962, the Chinese Academy of Building Sciences organized experts to study and trial produce AAC. 

· In 1965, the first AAC plant in China was built with Siporex technology, then China AAC industry entered a slow development period. 

· In 1992, the State Council issued the notice on accelerating the innovation of wall materials and promoting energy-saving buildings, China entered the new wall materials era...

AAC Industry Emerging Period in China

· In 1995, Nanjing JT imported the second-hand equipment of Wehrhahn. Mr. Xu Shunwu, who was the engineer of Wuhan Building Materials Research Institute, upgraded the equipment to produce AAC smoothly. 

· In 1996, China Xujian imported second-hand cutting machines of Siporex plant from Japan. Mr. Xu Shunwu was responsible for the overall design of auxiliary machines. 

· In 2003, Yinghai Industrial Group imported the second...

AAC Rapid Development Period in China

· Attended the 6th & 7th International conference on AAC to give speech on behalf of China AAC industry and joined European AAC Association. 

· Up to now, the AAC plants supplied by KEDA SUREMAKER have been installed all over 30 provinces in China and exported to Asia, Middle East, Europe, South America & other area of the world.