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.

Airbus supplied 6 percent of mainland China's aircraft in 1995, but in 2008 the European plane maker put an assembly plant in China to make its A320 aircraft, which competes with Boeing's 737.

Answer: product_or_material_produced