... supply 4.2m, 4.8m, and 6m series AAC production line for Middle East, Africa and South-east of Asia, etc ... in GB11968-2006.General Specifications of Aerated Concrete BlocksService1.Production Line Design. Including: drawing of plant working process , drawings of land ... of the factory management system, all posts accountability of production line, process rules, safety rules, setting a quota of staff ...