The SASAC operates through several equity exchanges such as CBEX (China Beijing Equity Exchange), which is the largest and most prestigious in terms of trading volume. It is headquartered in the heart of Beijing financial district. Presently, CBEX has established three international platforms in Italy, Japan and the United States of America. The Italian CMEX (China Milan Equity Exchange), created in 2007, is CBEX's first international partner, operating as a liaison to facilitate the penetration of Chinese companies into the Italian and European markets and of European companies in China. Following the trend of the Go out policy, some of the most prominent Chinese professional institutions are expanding their business on the international markets. King & Wood Mallesons, the largest Law Firm in China with more than 800 lawyers and lobbyists, opened branches in various cities of the United States and Japan, while Grandall Legal Group (one of the most prominent Chinese Law Firms, with a staff of more than 600 professionals) through its International Department has established a European hub called the “China-Europe Legal Group” to assist Chinese companies in legal and lobbying work operating and expanding in Europe. Carone & Partners is a member law firm of the “China-Europe Legal Group” in Italy.