QD11？ Are you talking about QDII? QDII zhi Qualified Domestic Institutional Investors, QDII system was first put forward by Hong Kong government departments, and compared with CDR (depositary receipt) and QFII (foreign institutional investors' investment qualification system in the Mainland, That is, qualified foreign institutional investors) will be an expedient measure to open the mainland capital market to the outside world under foreign exchange control, so as to allow domestic investors to invest in overseas capital markets when the capital account items are not fully opened.