... 4,Custom design 5,Eco-friendly,favourable price FeatureAlumina Ceramic has the advantages of super hardness,high wear- ... application of our product 1, Ceramic shaft for aquarium equipment filter pump 2, Ceramic plunger for high pressure cleaner. ... ceramic assembly apply to petroleum ,chemical and chemical industry. 4,Wearlesness, corrosion resistance parts apply to precision machine. Remarks Customized ...