... install and clean 2.mechanical seals good fine 99% Al2O3 ceramic pump for 1-5ml pharmaceutical filling mchine Our company ... Welcome to our home www suzhoujingci com. Materials99.5% Al2O3,ZrO2,316LApplications fieldsAll kinds of filling machines, including Pharmaceutical, Beverages ... .01Planeness0.005Roughness 0.05Fit clearance0.005 fine 99% Al2O3 ceramic pump for 1-5ml pharmaceutical filling mchine