1.wheel hub, parts for trailer 2.grey cast iron material GG25, GGG45 and so on. 3.with machining and zinc plating... wheel hub, parts for trailer,material grey cast iron GG25 and GGG45 (other material can be made)Weight: 1.5kg Surface: Zinc paintingApplied software for specification drawings: Pro/E, Auto CAD, Solid Work 2001,CAXA, UG, CAD/CAM/CAEDesign and alloy selection flexibility Materials: ...