... voltilizeoxidize or pollute the environment,so it is good for indoor or outdoor decoration. Product NamePowder Coated Aluminum ... 7005,T4 T5 T6Surface Treatment1.Surface treatment:Mill finish,silver anodize, matt anodize,blasting anodize,colored anodize,powder coating ... to guarantee the high qualityMain products:aluminium profile for windows and doors,curtain wall,extrusion profile,aluminium tube,pipe, ...