Product Description Its extruder cylinder and screw, are made of 38CRMOALA high quality alloy steel that have been nitrite and processed in precision way. Hence it is sound in hardness, durable in corrosion resistance. The special design is lifting device, which helps increase produse efficiency. It is suitable for blowing the plastic film as HDPE, LDPE which is widely used for packing foodstuff garment textile and industrail products.
