... , only you offer the technical drawing, we can make it for you.6\ main market:indonesia,india,Vietnam,south america,brazil ... Heat treatmentHigh frequency quenching,heat-treated by mesh belt furnace and carburizingSurface finishingPlate zinc, nickel plate, chromeplate,Sandblasting, Dull polish, ... ,RS100,XRM,DT125,TS125,GP125,XLR,BZLP,HONDA155 Motorcycle sprockets and chain wheel gear teeth hardened