1.Material: aluminum extruded sections 2.Dimensions:160*120*40mm 3.ISO9001:2008 Certification 4.OEM service available Specification: ... casting, die casting, permanent mold casting, forging, stamping, welding, and CNC machining3. Available materials: cast iron, carbon steel, stainless steel, aluminum ... . Design and production as per customer's detailed requirement 160*120*40mm aluminum heatsink