2011HOT Aluminum lamp cup, LED lamp cup, aluminum products Aluminum extrusion Color&Size: All Customized OEM &ODM are welcome ... (Payment Terms/Shipment Terms/Lead time):TypePrecision CNC machining partMaterials:Aluminum alloy, stainless steel , brassMaterial GradeGB,ASTM,AISI,DIN,BS ... /OD Grinding 0.002Wire-Cutting 0.002 Machining Part aluminum precision turned parts 2011HOT aluminum LED lamp cup