... 5mm or according to the customer's requests3)Applicable industries: paper making, plastic production, aluminum foil, sub section.4)Materials ... the customer's request and drawing,sampleThickness7,7.5,10mm etc.Packaging materialfoam,oilproof paper,carton or depends on the ... ,Germany grinding machine ,CNC machine etc.8)Advantages: Paper industry distance ring has good wear resistance and high processing ...