... 2. ISO certificate 3. tolerance:0.05mm-0.2mm surface anodizing sunflower aluminium profile parts 1. material: stainless steel2. ... steel, Plastic, Aluminium, POM, Delrin, Titanium Alloy etc.2) Surface treatment:Zinc plating, Anodization, Chemical fim, Powder, Passivation, Sand ... good quality, competitive price and excellent service. FactoryProducts surface anodizing sunflower aluminium profile parts