Material: nanocomposite ceramics、AluminaAl2O3、ceramic composite material
Color: White/yellow/black
planeness: 0.3um,Reach the top international level
parallel misalignment:0.5um
Size: Ø485、 Ø360、Ø280、Ø162和Ø150*10~40mm
It Can be customized according to the drawing