Product Description OEM higher quality powder metallurgy iron roller Chain Sprockets for automobile partsDensity 6.9g / cm3,Tensile power 462MPa,Yield energy 345MPa,Hardness higher than 130HRB.Why Powdered Metals?Important price savings.Create intricate or unique...
Product Description OUR Items Listing:A and B collection one/double/triple standard roller chain and no-regular roller...