As a proper noun,
协和 is the Chinese name of Peking Union Medical College (PUMC,
北京协和医学院) and its hospital
北京协和医院 — founded 1917 by the Rockefeller Foundation and still one of the most prestigious hospitals in China. The word
协和 ("to harmonize") was picked as a calque of "Union". Also the Chinese name of the Concorde supersonic jet (
协和式飞机).