Usage: apply to plastic films such as BOPP,PE,PVC,etc and kinds of paper products. Usage: apply to plastic films such as BOPP,PE,PVC,etc and kinds of paper products.Features:It adopts the side shaft of the screw gear for transmission and it has the advantages of working stably, linear speed smoothly, and plating precisely. It adopts frictional tension control for unloading rolls, and double shaft ...