... as follow tables.Including the ceramic plunger ceramic plunger pump, ceramic rod, ceramic shaft, ceramic piston, ceramic ... Dairy..The volume from 0.5 ml to 500 ml.Madical care, Hemodialysis machines, Proportion pump, UF pumpAll kinds ... of working (mm)Perpendicularity0.01Concentricity0.01Roundness0.005Straightness 0.005Parallelism0.01Planeness0.005Roughness 0.05Fit clearance0.005 ceramic pump 1-100 ml