... 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 ... aluminium motor shell supplier. T5 6063 series Aluminum Motor Shell with super quality, no-cut inside, several natioan ...