1.High quality control ,metal stretching parts 2.Competitive price 3.Small / OEM orders accepted 4.Punctual delivery metal stretching parts ItemDescriptionMaterialStainless steel, carbon steel, mild steel, spring steel and aluminum etc.surface treatmentsanodizing, powder-coating, zinc-plated, chrome plated, nickel plated ,rust-inhibiting, E-coating ,heat treatment, paints and primers etc.Design ...