... wheel type B 2.Available in any size and grade 3.OEM welcomed 4.Application:transmission part and machinery 1. Business type: sprocket wheel ... wheel Material: C45, A3, cast iron, stainless steel5. Surface treatment: Oxide black, galvanization, nickelizing, chromeplating6. Model: type A, type B, and type ... , nickelizing, chromeplating, sandblasting Model Type A & Type B, Single, Double, Triple ...