GG-40-type foam cement machine 1,annual output: up to 1,600,000 square meters 2,long working life with stable performance GG-40-type foam cement machine The sixth generation of GG-40 foam concrete dedicated machine (cement foam machine) model is divided into, JX-40A type, JX-40B type, GG-40C type, with the production of high efficiency, easy to operate, such as the merits of the aircraft by the ...