... and so on as per your requestprocessForged or castingHeat treatmentHigh frequency quenching, heat treatment, hardened teethSurface treatmentBlacking, galvanization, chroming, electrophoresis, ... ,minimum order and deliveryT/T (30% deposit in advance, 70% balance before shipping). Minimum order is 100 pcs. Delivery ... bag and outer carton box or customer requirement. kana machine chain wheel sprocket