The five-year $200 million social bond with a coupon rate of 5.875%, and $500m green perpetual bond at a coupon rate of 6.15% were oversubscribed by nearly five times, the group said.

AIIB, a multilateral development bank headquartered in Beijing, issued 1.5 billion yuan ($224 million) of three-year bonds with a coupon rate of 2.4%

The issue will be one of the first by a Chinese developer this year in a US dollar bond market amid concerns about the health of the property sector after a series of defaults

The move is aimed at helping companies better manage their debts and protect investors' interests, the National Association of Financial Market Institutional Investors said

It was the steepest monthly percentage drop in foreign investors' holdings of CGBs since August 2015, Reuters calculations showed