•BS4522N shrink tunnel adopts the design of internal double recycling air fan, so that the hot air in the tunnel is even, constant temperature.

•The machine uses stainless steel finned heating tube which has a long service life and high heating efficiency. 

•Chain bar conveying , using hollow steel covered with durable imported silicone tube, each bar can rotate freely.

•Suitable for POF, PVC, PP, PET heat shrinkable film.