He said "we applaud the Belt and Road Initiative, and we're working to support it in any way we can."
He previously served as director-general of the Foreign Ministry's Department of Treaty and Law.
He predicted that trade between China and Japan will further grow in 2019 and business ties will continue to expand in areas such as service and finance.
He said China will hold a subsequent meeting this July on technical issues, including entry permits for commodities, services and investment.
He said that many large manufacturing companies in southwestern Guangdong, which need to have their goods exported to Hong Kong – Zhuhai, Zhongshan and Jiangmen in particular – have successively changed their transport routes from ports in Shenzhen to ports at HZMB, which could save them between three and four hours on the road.
He said Hainan State Farms will be given priority in developing the natural rubber, grain seed breeding and modern tropical agriculture industries, making the State Farms group a new growth point of the local economy and national demonstration zone for special feature tropical agriculture.
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He said renting luxury products is not a necessity for many Chinese consumers, because the purchasing power for such products in China is now bigger than in other developing economies.
He pointed out that within Sino-Russian cooperation, the role of large and medium-sized companies will be further leveraged as the main force advancing strategic projects. Attracting small and medium-sized companies to cooperate in some emerging industries like e-commerce and the digital economy will also be promoted.
He said attempting to act unilaterally could prove risky even though the US has many legitimate complaints about unfair foreign trade barriers and inadequate protection of US intellectual property rights.
He said that a more flexible exchange rate could be a "stabilizer" of the world's second largest economy, and the government does not have to keep RMB exchange rate at a certain level by selling foreign exchange.