Utilize the input text as a context reference, choose the right relationship between 'Airbus' and 'A350' from the options.
Options: product/material produced, developer, brand, founded by

GKN said Fokker's position on two big air programmes, the Airbus A350 and the Lockheed Martin F-35 military jet, complements its own position on the programmes, adding that the deal also gives it exposure to electrical wiring systems, and extends its footprint in China.
product/material produced