1,No need clay,no need burning and fire 2,easy to operate and maintain 3, ... return,quite suitable for small investors Main specification:1,Type: manual mechanical vibrating brick machine2,molding type: Press and vibration together3 ... PeiSkype ID:whbdzj35 Yahoo Messenger:whbdzjplease leave me message if need production videoBrick machine,block machine,brick making machine,block making ...