Does anyone have any recommendations for aluminum finishing near London, UK? I'm looking to anodize a thin piece of aluminum (sheet metal, no more than 30cmx20cm), preferably in color, and only in a volume of 2-3. Thanks for the help! PS. I have considered powder-coating, and the specific property I am looking for is that the finished product is electrically non-conductive. I have heard that anodized aluminum is not conductive, so that is what I am looking for, however, I can do powder coating too as long as it is not electrically conductive.