The PE film blowing machine,We have rotary die head film blowing machine,double color stripe film blowing machine.it is used to blow the tube film from the raw material like granule,particle,pellet.It's necessary machine in the plastic shopping bag,T shirt bag making process,model 600mm and 800mm is our best selling model.But for some special customer who want to buy one small machine for color master batch testing,we have designed one mini model.We say it's mini film blowing machine,lab film blowing machine,laboratory film blowing machine,mini film extruder,lab film extruder.