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"China is our important market with huge potential. Our facilities in Tianjin produce equipment and chemicals for the rest of Asia-Pacific markets," said Sha.

"Cell phone technologies are constantly changing, and these findings provide valuable information to help guide future studies of cell phone safety."

"China notified the World Health Organization of the genetic sequence of the virus on Jan 12. According to Trump's remarks, health experts in the US began work on the vaccine in an early phase, yet some US politicians' response to the virus were still disappointing."

"China has seen fast progress in power supply since reform and opening up. Yet the time needed for getting electricity and the accessibility still fall short of expectations, due to both institutional issues and inefficiency in the power system," Li said, "Power supply is critical to industrialization and rural modernization."

"China is a relatively open country compared to many countries in the world; there are many opportunities for cooperation as well as conflict. The strategic relations can be highly competitive; in some areas we can have a common interest," Ross said.