... 1000mm 5.Simens motor Dual-layer Die Head Stretch film making machine for hdpe+ldpe, Flat film extrusion line,film blowing ... melting could make the plastic fully plasticized, meantime, thefilm's horizontal and vertical pulling force also have been enhanced greatly ... is our advantaged feature. Dual-layer Die Head Stretch film making machine for hdpe+ldpe, Flat film extrusion line,film blowing machinery ...