... Gear hobbing machine, Precision milling machine, Grinder, Heat treatment equipment C.V.JOINTAdvantage: We use advanced Gear hobbing machine, Precision milling ... and technology, to creat the maximum cost-effective drive shafts.High Tech Research&Developing: We use Projector to measure products sizes ... use special nominated material for our drive shafts. OEM,ODM high qulity C.V.JOINT