Profile: RD Castings Ltd. specializes in providing aluminum castings, gravity die castings and zinc HPD (high pressure) die castings. We specialize in high pressure aluminum die castings, and also run a small gravity die casting facility for prototypes and small batch work. We offer a gravity die casting service for light alloy castings. We cover everything from design assistance right through to finished CNC machined and heat-treated products. Our finishing services include shot blasting, ceramic media finishing, plating, and painting services.