... additives(soya meat)etc.Machine introduction:1.Double screw food extruder consists of feeding system,extruding system,cutting system,heating ... and stable performation.3.Automatic lubrication system guarentee the extruder running stable.4.screw is made by special techniques, ... clients except commen screw.6.exceptionals:Bean protein food extruder is newdesigned one by our engineers for the incresing ...