1.Material:99% Alumina 2.Precision polishing 3.Grinded well,high intensity 4,Shaped as ... of high wear-resisting,good corrosion resistance , high intensity , precision process, good smoothness, polishing surface and so on.It widely ... 4,Wearlesness, corrosion resistance parts apply to precision machine. Remarks Customized production is available, for more information, please do not hesitate to tell ...