of three top currencies being used in the global trade. >> reporter: to make that happen, beijing is allowing local companies to use the yuan to do business outside of the country. it's starting to kick in in financial centers like hong kong and new york. and despite the growing appetite for yuan overseas, china is working with central banks to make its currencies available to companies in other nations. china is also encouraging people to use the yuan by using bonds in the u.s. currency. these are known as dim sun bonds. the fast food giant is the first multinational to issue a dim sum bond. >> this is a market that we really are passionate about. we opened 166 restaurants in 2010. we're going to continue that development going into the future. so we're using these type of funds for our growth strategy. >> reporter: but there's still a lot of hurdles before the