The BSE series PE film shrink packaging machine is designed especially for PE shrink film. However it is suitable for other types shrink films. The machine adopts digital temperature controller, which makes operation easier. Quartz heating pipes are located on the top, bottom and sides of the shrinking tunnel. Two fans in electricity box cools down electricity box in order to protect electronics. Conveyor motor cools down by fan underneath. The powerful fan produces even hot airflow inside of shrink tunnel. The speed of the conveyer is adjustable. And you can choose roller or net conveyor as your request.