Sichwephesha kakhulu ekuveliseni umgca wePVC wepelletizing wegranule, wenziwa yiconical twin screw extruder kunye nesixhobo esihambelana nepelletizing ezantsi komsinga, ilungele ukwenziwa kwePVC, imathiriyeli ekrwada ngomgubo womthi okanye ezinye izongezo.