Indonesia's central bank is buying Chinese 'yuan-denominated' bonds, as part of its foreign exchange reserves.
A growing number of countries are doing the same, due to fears about the dollar and the Euro.
In recent months, a number of central banks, including those in Japan, South Korea, Nigeria and Saudi Arabia, have indicated plans to buy Yuan bonds.
Indonesia Is Latest to Add Yuan to Its Reserves
However, China's Yuan still makes up only a very small portion of foreign-exchange reserves around the world.
And, some investors worry about China's long-term future.