Utilize the input text as a context reference, choose the right relationship between China Resources and Hong Kong 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.

In a filing to the Hong Kong stock exchange, Chen also said its independent shareholders had on Aug. 3 approved its sale of all its non-beer assets to controlling shareholder China Resources (Holdings) Co for HK$30 billion.

Answer: headquarters_location