Utilize the input text as a context reference, choose the right relationship between Kingsoft and Beijing 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.

During this period, Kingsoft Office has become the official supplier of Beijing 2022 Winter Olympics.

Answer: headquarters_location