... 3.Lifting device Usage: This film blowing machine is used for blowing the various plastic film of low density polyethylene (LDPE), high density polyethylene (HDPE) ... used for packing food, fruit, garments, textile, garbage bag and vest bag other civil and industrial products, etc and for vest ... Air shaft, auto loader, electric meter calculator, corona, screen changer. Film Blowing Machine (SJ-50)