BEIJING, July 10 (Reuters) - China will suspend new securities relending business and wind down existing contacts in an effort to futher curb short selling, the China Securities Regulatory Commission said in a statement on Wednesday.

The securities regulator will further raise margin requirements for short-selling activities from a minimum of 80% to 100%, it said, adding that hedge funds are subject to higher requirements. (Reporting by Beijing newsroom and Samuel Shen in Shanghai; Editing by Andrew Heavens)