Aluminium Sheet | CNC Aluminum | Cast Aluminium | alimex UK aluminium sheet, cast aluminium, cnc aluminum Using cutting edge technology enables us to deliver world class products and CNC machining sub contract services, providing our clients with a sustainable competitive advantage. Today, still a family owned business, aluminium cast plates remain at the heart of alimex, complimented by the introduction of precision CNC machined aluminium in 2002.