... oil and heavy-duty air filter DJGT-600 Full-automatic rotary paper pleating production lineConsists1, Automatic de-coiler2, Pre-slitter system3, ... automatic counter4, Six pares of rollers in cycle5, Pleating and collecting system6, Heater for solidifying Paper7, Conveyor deviceSpecifications:1 ... & smoothly pleated.6, Computer controlling, easy operation. filter paper pleating machines