Take context from the input text and decide on the accurate relationship between 'Airbus' and 'A350' from the options provided.
Options: developer, brand, founded by, product/material produced

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