Product Description Agricultural Industrial Transmission Conveyor Roller Chain with Attachment   Product Description 1. Material: Alloy steel & Stainless steel2. Surface treatment: Shot peening / Zinc-plated / Nickel-plated / Dacromet-plated3. Characteristic: Chain plate hole finally passed ball extrusion to ensure maximum fatigue resistance, parts of shot peening treatment makes the chain and the sleeve has a higher…