Utilize the input text as a context reference, choose the right relationship between Airbus and aircraft from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

"With the increases we are seeing in aircraft production at Airbus and other manufacturers, you have seen all the reports of problems ... so there is clearly a need to bring in new suppliers," Eric Zanin, head of the A330 programme, told reporters during the signing ceremony.

Answer: product_or_material_produced