The State Administration of Foreign Exchange approved a $681 million quota for qualified foreign institutional investors (QFII) in May.

At the end of May, 202 foreign institutions had received permission to invest in the mainland share market under the QFII scheme.

The quota for foreign investments denominated in yuan, or so-called RQFII, expanded by 15.6 billion yuan ($2.54 billion) in May, compared with a 7.6 billion yuan increase in April.

So far, the top foreign exchange manager has approved 27 RQFIIs with a total investment amount of 91.9 billion yuan.