... , basic-material film,wind film production IntroductionTriple- layer co-extrusion salivate film production line adopts aslivate method technology, ... air bells knife and thread ctcher,salivate machine,corona dealing machine,swinging device,cooling machine,slitter ,edge recycling machine,electric control systemBy ... *1800550*2200Rolling speed (m/min)150120120 Three-layer Co-extrusion Strech Film Machine