... :transmission part and machinery 1. Business type: sprocket wheel manufacturer& exporter2. Main market: Southeast Asia ... wheel Material: C45, A3, cast iron, stainless steel5. Surface treatment: Oxide black, galvanization, nickelizing, chromeplating6. Model: type A, type B, and type ... black, galvanization, nickelizing, chromeplating, sandblasting Model Type A & Type B, Single, Double, Triple - 35B10-80 ...