Merchandise Description Rapidly Shipping and delivery S Type Steel Agricultural Chain with Attachment  Merchandise Description one. Material: Alloy metal & Stainless steeltwo. Surface therapy: Shot peening / Zinc-plated / Nickel-plated / Dracromet-plated3. Characteristic:  Chain plate hole last but not least handed ball extrusion to make sure greatest exhaustion resistance, areas of shot peening treatment makes the…