The deal will see GKN make complex critical engine structures over the next decade for the Trent 700 and 1000 engines. Mike Beck, president of engine structures at GKN Aerospace, said: "GKN Aerospace has the size and strength to offer customers such as Rolls-Royce in-depth technological expertise combined with financial stability and strength. "We are able to invest and work alongside our customers to support current and future programmes and opportunities for the long term."