1.auto part/auto accessories/automobile part 2. Made by Continuous Cast Iron Tube 3.High ... used in mechanical industries,such as railway vehicle, oil machine,engineering machine,auto parts,compressor, hydraulic and pneumatics,chemical pump, machine ... axis sleeve, gear, kawa, wear-resistant sleeve, grinding sleeve Oil drillingdrillable packers/drillable bridge plug, suction vitta Railway vehicle bogie ...