... 3.100%QC Detail Feature: steel spline gear shaft for car gearbox Product Name: steel gear shaftMaterials: grey iron, ductile ... time: 30-50days Place of Origin: Ningbo, China Software for specification drawings: PDF, Auto CAD, Solid work, JPG, ... equipment (machine shop used): numerical control lathe, vertical type CNC machining center, boring machine, universal miller, standing miller, vertical drill ...