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"Chinese scientists are facing two problems - one is bottlenecks in core technology compared with the rest of the world, and the other is a lack of subversive technological change which is also a problem for the whole world," says Gao.

"China's human rights cause has achieved comprehensive progress," said Wu Leifen, deputy secretary-general of the China Society for Human Rights Studies, citing a long list of statistics which show China's phenomenal progress in everything from per capita GDP growth, education and longevity to poverty alleviation and the rule of law.

"China will continue to cooperate with other countries in 2018 to improve the quality and efficiency of the China Railway Express service and build it into a competitive international logistics brand," Li said.

"Chinese people once transported many commodities like tea to India through the Ancient Tea Horse Road (a trade link in Southwest China, extending to South Asia). The history of trade may partly explain our similarities," he said.

"Chinese firms have made meaningful gains over the past decade after Beijing's directive to prioritize green sectors," Liu said. "These firms can therefore draw on their experience and replicate their successes in Africa to make a significant impact."