... ,SJSZ-65,SJSZ-80,SJSZ-92 Twin Conical Screws Extruders SJSZseries twin conical screws extruder is a kind of special equipment for ... highly harmonized. It has firstly introduced advanced technique of producing screws with variable pitch and depth, so that the material can ... is rapid,temperature control tolerance can be ±1. Twin Conical Screws Extruder