Chinese Premier Li Keqiang (1st R) visits senior people at a hospital in Weihai city, East China's Shandong province, April 20, 2017. [Photo/Xinhua]

At the port of Weihai, Li learned about export and import growth there and urged regulators to boost capacity to facilitate China's central and western regions, as well as small and micro businesses to tap the global market.

"As a big trading nation, China will stick to opening-up to the world," Li stressed.