Especially used to make PVC pipe, PVC window and door profile, PVC board, sheet etc. The conical twin screw extruders of our company includes series as SJSZ-45, 55, 65, 80, 92, 105 etc.It has the advantage of good-jellification, large-output, stable capability. All the important parts are used with international famous brand product. ABB inverter(Global guarantee), RKC(Japanese brand) or Omron ...