... profile, PVC board, sheet etc. The conical twin screw extruders of our company includes series as SJSZ-45, 55, 65, ... 92, 105 etc.It has the advantage of good-jellification, large-output, stable capability. All the important parts are used with international ... Siemens standard motor.They can be equiped with different down stream to produce different kinds of plastic products, such as PVC pipe, PVC ...