QF1800 Qunfeng Fly Ash Brick Making Machine 1) All this characteristics makes Qunfeng main frame stable performance: The main frame adopts strengthened square tube with four guiding pillar, its prolongedt guide sleeve ensures the orientation precision. The press head synchronous gear rack keeps the synchronism of press head. Also, the grip cylinder can make block forming more successful while the overstriking synchronous tumbler keep the synchronism of mould up and down2) The connect parts of...