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"China's input on research and development rose to the second-highest in the world in 2017," said Wan, adding that the number of full-time R&D personnel in China is the high-est in the world.

"China's cooperation with the five countries is not aimed to subvert their cooperation with other nations such as the United States and Japan,"Feng said, adding that different countries' cooperation with the area has different priorities.

"Currently, the R&D centers of most domestic food enterprises are located in Shanghai. In fact, Wuhan owns a large number of top colleges and science institutions, and there are major food makers such as Bestore and fast food chain Zhouheiya," said Bestore vice-president Zhao Gang.

"China will continue to resolutely support the Caribbean countries in their fight against COVID-19," said Zhao, adding that China will share its anti-epidemic experience and treatment plans, provide medical supplies and technical assistance, and facilitate their procurement of medical supplies from China.

"Compared to road transport, the trains are much faster and can help save costs for the companies," said Zhang Haixia, chief operating officer with Xinjiang Hongyunda international freight transport agency.