production process for corrugated pipe (corrugated pipe machine working process)
production process for corrugated pipe (corrugated pipe machine working process)
1. prepare the raw material
PP/PVC/PP/EVA/PA granule
PVC powder
2. if is pvc powder, it need mixing machine to mix all material together
3. single/double screw extruder machine--die--mould--forming machine--automatic colier
single/double screw extruder machine--die--mould--forming machine--automatic shrink and cutting
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