Our aluminum heatsink are widely used in household appliances, translating equipment, electrical equipment, power supply, computer,LED profile ect. Our equipment mianly include punching machine, extruder, cnc lathe, drill lathe, thermal resistance test ect. The processing methods including: extruding, punching, CNC machining… Surface treatment: sand blasting, anodizing, oxidation, electroplate, polishing ect. If there is any need of such box cover or any others ,please feel free to contact us.