1.fast heating 2.frequence control 3.fully automatic This production line has awarded two national invention patent (invention patent no.: 200810015733.7 utility model patent no.:200820021604.4) Fast heatingProduce hot melt adhesive, furniture sealing side glue, sealing glue, book binding glue, pipeline corrosion protection etc special equipmentComposite structureKneading and extrusion one-step ...