... 3.Well after-sales service... Henan HanHe AAC Block Production Line AAC Block Production LineAAC is made from silicon material (silica sand, or ... and silica gangue) and calcium material (lime, cement), mixing with foaming additive (aluminum powder), batching with water, the reaction between aluminum ... No.5, HuiGuoZhenIndustryArea, GongYiCity, HeNanProvince, China Henan HanHe AAC Block Production Line