SJSZ jerin conical twin dunƙule extruder ne yafi hada da ganga dunƙule, gear watsa tsarin, adadi ciyar, injin shaye, dumama, sanyaya da lantarki iko aka gyara da dai sauransu A conical twin dunƙule extruder ne dace da samar da PVC kayayyakin daga gauraye foda saboda plastification. fasali.