1. Professional gear&shaft manufacturer 2. OEM gear&shaft 3. Gear&shaft for electric motorcycle, tricycle, scooter Main supplied for: Honda, YAMAHA, Suzuki, Mitsubishi, BMW, Polaris, Kohler, Briggs&Stratton, Daelim Korea, Hyosung Korea, Zongshen, Loncin, Jianshe, Lifan, Jialing, Shineray, Rato, Haojin, Benma, Qianjiang, Yinxiang, Dayang, etc Certificate: ISO9001: 2000 TS16949 Main manufacture type: Motorcycle electric start gear, General engine gear, Auto gear, Electric motorcycle gear Material: 20CrMnTi, C45, 40Cr, 42CrMo, stainless steel or special as your requirement Main process: Forging Blank, Normalizing, Turning, Hobbing/Shaping, Shaving, Chamfering, Carburizing&Quenching, Surface Treatment, Hole/Face Grinding, Gear Grinding, Marking, Cleaning, Testing, Packing.