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China will have to work hard to secure long-term supply chains and two-way trade, including with Association of Southeast Asian Nations (ASEAN), Africa and South America, said Sachs, also a senior United Nations advisor.

China's biometric identification sector has been experiencing a surge in demand for its services in recent years, according to ibaogao.com, a market research report website. In 2015, its revenue reached more than 10 billion yuan (.6 billion), and the figure is expected to hit 30 billion yuan by 2020, with a compound annual growth rate of 24.6 percent.

China will make new contributions to global governance and the promotion of world peace and development, said Li.

China's Belt and Road Initiative (BRI) presents great development potential to the countries involved, but more attention must be paid to debt sustainability and other risks, according to officials and experts.

China will not close its door to the world, and will only become increasingly open, with its business environment becoming more open, transparent and regulated, Chinese President Xi Jinping said in a congratulatory letter on the opening of the forum Wednesday.