... seal ring,pump shaft bush,oil seal,o ring,sleeve,shaft for valve seal We are specialized in sintered reaction bonded silicon carbide (RB SIC) and pressureless sintering silicon carbide(SSIC ... /RBSIC o ring,face seal (static ring or rotating ring), , silicon carbide rings,mechanical seal,sic seal /bush of silicon carbide, sandblaster nozzles,other pump parts, sic screw ...