Silver Grant International Industries invests gold in China and Hong Kong. Through about 20 partially and wholly owned subsidiaries, Silver Grant is involved in commercial and residential property development, investment, and management. It is also in the business of securities trading; infrastructure financing for such projects as roads, bridges, oil refineries, and pipelines; and distressed asset portfolio management. (In 2005 Silver Grant set up a joint venture with Citigroup, known as Platinum One Limited, to boost its distressed assets investments.) Silver Grant International operates in Hong Kong, Macao, and China.