lamp shade 1. die casting lighting parts 2. modern shape 3. ISO ... 4. Good performance aluminum die casting sun-flower led street lamp shade Material Aluminum alloy, A380, ADC 10, ADC 12, Design/ ... Cutting, Welding, Threading, Grinding, Milling, Machining, Assembly, etc Surface treatmentannealing, natural anodization, heat treatment, polishing, nickel plating, chrome plating, yellow passivation ...