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"China has 21 multifunction ventilator makers and eight of them have obtained the European Union's compulsory CE marking," Xu said. The companies have already signed contracts for 20,000 multifunction ventilators, and many more are pouring in every day.

"China is facing a mounting threat from imported infections while the domestic outbreak has been temporarily contained. The pressure to screen travelers has been increasing, particularly in transportation hubs and major port cities," Wu Zunyou, an epidemiologist at the Chinese Center for Disease Control and Prevention, said at a news conference in Beijing on Tuesday.

"China has established a complete system to help autistic children, but when they finish the nine-year compulsory education in schools, they have no suitable place to go. They actually need much more attention," he added.

"China has taken steps to improve the development of trade in services, including gradually opening up the finance, education, culture and medical treatment sectors," said Li Guanghui, vice-president of the Chinese Academy of International Trade and Economic Cooperation.

"Certainly, we have a lot of things to do together, and Secretary Tillerson and I will meet you (again) tomorrow," she said, in standard Mandarin.