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"By hammering on each wooden railroad tie, workers can tell how much it has eroded and when to replace them with new ones," Dong said, adding a routine check of the ties is arranged once a month.

"China has always opposed abuses of trade remedy measures ... China is willing to expand cooperation with the US side to reduce disagreements in the trade field," Wang said

"China hopes the security meeting will further maintain common interests, push forward political and security cooperation among the BRICS countries, improve the impact of the bloc, and prepare for the BRICS Leaders' Meeting in Xiamen this September," Lu said.

"But that doesn't mean they don't have their thoughts. During the outbreak, I have seen their attitudes, which are inclusive and dedicated to the country and people."

"China is an important link in the global industry and supply chains and the world's second-largest economy. Its rebound will help enhance global economic recovery," said Liang from Hainan University.