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The ultra hard steel ostium is few abrasion and it has the long life.It can reduce the pressure of plastic filtering and improve the amount of production .the latent electric heat tube which heating rapidly and the eggect of heat preservation is very good.the filter orifice that is detained in the orifice,it change the clean rilter oririce steel mould rapidly to guarantee the plastic after filtering reseau is clean The accurate and dependable product which can achieve to produce the few waste materials.
single flowing tunnel screen-changing channel
