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BEIJING, March 9 (Xinhua) -- A Chinese coast guard vessel has entered the waters near the suspected site of the missing Malaysian plane to carry out a rescue mission.

"We will give full support to initiatives that help strengthen maritime cooperation," Li said. "On the other hand, we will respond firmly to provocations that undermine peace and stability in the South China Sea."

Malaysian official sources say the plane could be anywhere along a giant arc extending from Kazakhstan in the north to the Indian Ocean in the south.

Officials should understand each specific policy in the context of the overall policy arrangement and explore new solutions of reform while adopting successful experiences, he said.

Li told Key China paid close attention to food safety, asking New Zealand to export more high-quality agricultural products to China and maintain strict quality controls.