... as you offer us the section drawings.3.Composition :aluminum alloy4.Finish: mill finish , anodizing, electrophoretic, PVDF, ... , or according to your requirementsMain ProductsAluminum motor shell,other aluminum products.FeaturesEnvironmental protection, Energy-saving, High strength, Heat ... Aluminum motor shell Alu.profile:AlloySiMgFeCuMnZn60630.48-0.490.63-0.65less0.250.171-0.172≤0.1≤0.1oks beautiful ...