... -type proportional controller,with help of blowing system,recycle material Automatic Rotary PVC Air Blowing Injection Molding Machine EK8-12P1.EK8-12P SERIES are ... reinforced cooling effect.6.It could be equipped with air blowing system can produce light weight ,soft with gloss surface ... product more perfectly.4 with the help of blowing system, the machine can have product lightweight, soft and own a ...