... could make all metalworks according to your requirement 1 Processing of heat sinks: precision cutting, drilling, skiving,deburring,fine ... 3 Surface color: natrual ,black,matt black, green, red,yellow,silver,white,blue,andother,surface colors upon request reasonanable ... Steel, Iron(SPCC, SECC, SPTE, Tinplate), Aluminum Alloy, Red copper, Brass, Bronze alloy or according to your request.5.Accessories ...