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1>The extruder, barrel and screw rods are made of high quality 38CRMOALA alloy steel that have been nitrized and processed in a precision way.
It is good in hardness, durable in corrosion resistance. The special designed screw is of high quality, which helps increase the production capacity.
2>It is applied to blowing the plastic films like LDPE, HDPE and LLDPE.
4>It is widely applied to produce the packing bags for food, clothing, rubbish bag and vest ones.