... production of the film consists of two faces, for double screw item, one side of film is adhesive and ... architecture material and hardware parts. The main components of double layer streth film machine are extruder reducer, cylinder screw, main ... , winding motor, inverter, heating unit, electric unit. NameYULONG-1000 double layer co-extrusion casting film machineMaterialLDPE, LLDPE ,HDPE, MLLDPE, PP, ...