... PA, EBOH 2.Max. screw rolaion speed:110 DGJ-M Series Multi-layer Downward Blowing Water-cool Blown Film Lines I ... 8II.FunctionMuiti-Layer Downwatd Blowing Water-Cool Blown Film Lines Series DGJ-M are adopted multi-layer combination die head, ... film and laminated packing materials with the good performance of barrier, sealing, transparency, photophobic, retort , keep fresh, heat sealing, printing. ...