... lots of fields as follow tables.Including the ceramic plunger ceramic plunger pump, ceramic rod, ceramic shaft, ceramic piston, ... ceramic water valve sheet, ceramic pipe sleeve, ceramic loom plunger, ceramic seal ring, special shape ceramic, ceramic knife etc ... 0.005Parallelism0.01Planeness0.005Roughness 0.05Fit clearance0.005 ceramic plunger pump for 1-5ml pharmaceutical filling machines