Through our many times improving, the machine can be fit for all kinds material, such as  100% recycled PP & PE, powder or grain PP & PE, to produce the tapes. The screw and barrel of extruder are made of high quality 38CrMoAlA allay steel, the hardness is over HV950 after nitrogenizing treatment. The gears & chain wheels are made of 45# medium carbon steel and done the treatment of high frequency quench. The driving rollers are electroplated with hard Cr, tension self-controlling of winding-rollers are applied to the driving unit. The barrel of extruder, bullhead tee and die adopt cast aluminum heater which is endurable. It has the performance of easy operation & maintenance, reliable quality & running and long usage life.