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"Chinese companies didn't hesitate to develop test kits when the outbreak occurred, and they have made tremendous contributions to COVID-19 prevention and control in China. It makes sense that foreign countries with soaring testing demand are now seeking imports from China," she said.

"Compared with tissue and other paper products, toilet rolls are in urgent need and have become the majority of our products to be shipped to overseas markets such as the United Kingdom, the United States, Singapore and Australia this year," Zhang said.

"China's increase of world heritage sites is the fastest in the world," said Zhou Zhihua, director of the Natural Reserves Management Department of the administration, said at a news conference on Friday.

"Cocoa is a raw material for making chocolate. With the increasing demand for chocolates, Hainan has been expanding its cocoa planting area and making breakthroughs in technological development," said Hao Zhaoyun, a researcher with CATAS.

"Chongqing plays a critical role in China's economy, especially in manufacturing," said Li Gang, head of the Robotics and Motion Division at ABB China, at the launch ceremony.