Air Compressor Liner High Density,Zero Cast Defects ... : ---Cross-Section:Round,Rectangle,Elliptic,Hexagonal ---OD:60-320mm,Thickness:8-35mmOur profiles could be widely used ... railway vehicle, oil machine,engineering machine,auto parts,compressor, hydraulic and pneumatics,chemical pump, machinetool,metallurgical equipment ... gear Mine mechinanismwear resist sleeve, engine cylinder Air Compressor Liner