Aluminum waterproof led power supply for led high bay light Material: Aluminum 6063-T5, ADC12, A356, Zinc or BrassFinish: Anodize, blasting, CNC machining, or polishing.Product DescriptionModel No. HW-par38 Material 1) Aluminum & Aluminum alloy 2) Zinc & Zinc alloy3) Brass, etc. Different finish 1) Sand blasting2) Chromizing3) Plating4) Painting5) Powder coating6) Anodizing, etc.Manufacture Process1) Die casting2) Grinding3) Sand blasting4) Drilling5) CNC machining6) Drying and assembly to packing