China high quality OEM Chain Wheel ISO Standard Sprocket

Product Description OEM Chain wheel ISO Standard Sprocket1. DescriptionNo.ItemDescription1NameSprocket2SizeProducts can be customized.3Material45#Steel,20CrMnTi,40Cr,20CrNiMo,20MnCr5,GCR15SiMn,42CrMo,2Cr13stainless steel,Nylon,Bakelite,Copper,Aluminium.etc4Production...