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HANGZHOU, Sept. 2 (Xinhua) -- Chinese Vice Premier Wang Yang met with U.S. Secretary of Treasury Jacob Lew on Friday in the eastern Chinese city of Hangzhou ahead of the 11th G20 summit.

"There are concerns about the development of international trade, about trade barriers being erected in some cases rather than being removed; there is a move throughout the world on concerns about the impact of globalization," the policy chief warned.

Marking the 55th anniversary of bilateral relations, Li and his Laotian counterpart Thongloun Sisoulith signed cooperation documents covering fields ranging from trade and investment to technology and education. The two countries also published a joint communique.

Both basic and cutting-edge scientific research will be strengthened, with better facilities, new national research bases, more innovative researchers and improved global cooperation, said the plan.

Residents in flood-hit regions will be relocated to safe and sanitized locations with the supplies they will need, he added.