... , Suitable for garden bench,OEM is accepted. Material: aluminum alloy Power coated surface Three types of molds die castings, sand castings ... and threading Surface finish process: polishing shot blasting, chromate plating, power coated and anodizing Casting capacity: 200 to 500 tons/month ... 's drawings, specifications and samples Chair Base,aluminum sand casting,power coated on surface(ISO9001:2000)