... sale market:south America/middle east 1,chain material:40mn2,the roller chain quality have A,B,C three ... grade3,Original Equipment ManufactureIndustrial chain&Motorcycle chainWe are manufacturing all kinds of motorcycle ... chains ,satandard or OEM are accepted 1)Type :420,420H,428,428H,530,630 and ... any questions short pitch simplex row chain 08B for agricultural machinery parts