... ,LDPE with servo motor or step motor Auto Threading-rolling Rubbish Bag making Machine 1, It adopts the materials like LDPE,HDPE ... -off and right-fold,continous-roled and divide-rolled of machine install etc5, It adopts no the tension to seal an ... -rolled flat bags and flat bags function.7, The whole machine adopts a product line,automatic high make,so it is ...