solar panels, solar panel frame, Aluminum frame , different size for solar panels,electrophoresis, oxygen coating. Aluminum size : 1580*808*35mm 1580*1060*50mm 1540*1060*50mm 1220*808*35mm 1200*550*30mm 630*550*30mm Solar panel , solar aluminum frame, can be made in different size , have electrophoeresis & oxygen coating for your choice ! color : black , sivel white , etc.