... Parts Co., Ltd.Our productionmotorcycle sprocket, rear sprocket,front sprocket, Industrial sprocket, Industrial gear,idler sprocket, machinery gear,level gear, Spur Gears Material A3steel ,1045#steel ... ,nickle plating,sand plating,electrophoresis plating,CNC line,Dull polish and GrindHeat treatmentHigh-frequency hardening,CarburizationOur technologyHobbing,Stamping,Forging,fin cuttingFnish ...