... available as you offer us the section drawings.3.Composition :aluminum alloy4.Finish: mill finish , anodizing, electrophoretic, PVDF, ... as energy-saving product. The precision can be 8-level. No-cut inside. It is light and rustless ... green, or according to your requirementsMain ProductsAluminum motor shell,other aluminum products.FeaturesEnvironmental protection, Energy-saving, High strength, Heat ...