... quality 2)punctual delivery 3)Professional maker 4)good workmanship Auto components Material: Aluminum,Brass,Copper,Bronze,Steel,Stainless steelProcess: ... Polishing, sand blasting, heat treatment, painting, powder coating, anodizing, electroplating, Chrome plating, mirror polishing.Product:All kinds of aluminum casting ... , ISO Standard and Environment Protection OEM & ODM are welcome ! Auto components