BOAO, Hainan, March 28 (Xinhua) -- China will further relax controls on market access and shorten the negative list for foreign investment, said Chinese Premier Li Keqiang Thursday.

Li made the remarks at the opening plenary of the Boao Forum for Asia (BFA) annual conference in Boao, a coastal town in southern island province of Hainan.

By the end of June, China will make another revision on the negative list for foreign investment and issue the updated list, Li said.