Product Range Dia 16mm 630 mmOutput : 70KgsHr.- 700 KgsHr. SJSZ series of conical twin-screw extruder is a super-twin -conical extruder, which is developed and manufactured by German Technology . Machines of this series all are provided with features of uniform plastication, pugging and agglomeration, reliable quality, high production, wide application range, long service life and so on. Equipped with the companys various mould tools and down-stream auxiliary equipment, you can directly produce PVC pipes.