Features: 1) Material: alumina ceramic, ZTA, and zirconium oxide 2) Applications: electromagnetic pump, aquatic equipment and all kinds of plunger pumps for electric machines 3) Good strength, wearability, corrosion resistance and processing precision, which can be controlled under 0.01mm 4) Complete specifications of shaft series products, and OEM, ODM and OBM are welcomed 5) Texture: alumina ceramic, ZTA, and zirconium oxide Packing: Standard exported paper cartons with zipper bags and foam boards