The upcoming China International Import Expo (CIIE) will present Africa with an opportunity to be integrated into the global trade chain, said a Standard Bank expert. President Xi took the opportunity to criticize President Trump's leadership style, . saying that as "globalization deepens, the practices of law of the jungle and victor take all are a dead end".
The US has hit about half of Chinese imports into the US with tariffs.
Mr Xi's comments come as China and the United States have hit each other with new trade tariffs worth around $360bn (£280bn) in total, as well as amid heightened tensions with some of China's other trading partners. He added that the imports would be increased cutting costs for importers and improving consumer spending power.
Nations "should not just point fingers at others to gloss over their own problems", he said, likening the United States attitude to "the law of the jungle".
Speaking at an global business fair in Shanghai, Xi Jinping criticised what he termed Washinton's "law of the jungle" and "winner takes all" approach to trade which, he said, leads to 'a dead end'. "They shouldn't always paint themselves (as perfect) and point their fingers at others, always shining a spotlight on others but not themselves".
Ministries, local governments and central enterprises across the country have formed about 40 trading groups, together with hundreds of thousands of buyers.
While Xi pledged to import US$30 trillion of good over the next 15 years - up from US$24 trillion in previous estimates - his policy initiatives were largely in line with previous statements. Last year, Xi estimated that China would import $24 trillion worth of goods over the next 15 years.
The expo is "likely not a huge benefit or attraction for US companies", said the chairman of the American Chamber of Commerce in China, William Zarit, in an email. Ltd. with stealing trade secrets from Micron Technology Inc.
Mr Xi also promised to accelerate opening of the education, telecommunications and cultural sectors, while protecting foreign companies' interests and enhancing punitive enforcement for infractions of intellectual property rights.
Xi spoke to about 3,000 business and government representatives who gathered for the event.
"Still, we hope today's speech is matched by concrete actions that eliminate those market access barriers that continue to prevent foreign companies from realizing their full potential in China". The Chinese leadership has urged them to actively make contracts, as Washington has put pressure on Beijing to curb China's trade imbalance by increasing imports, sources close to the matter said.
Participation of over 200 businessmen has become a regular feature in the Kunming and Chengdu fair, held in different locations of China every year through the FIEO. "Hopefully it will", he said. He said China's $12 trillion-a-year economy is "a sea, not a small pond" and can withstand shocks. Increasing concerns that growth will slow further and worries over deepening trade friction with the USA have sent the domestic stock market plunging this year.
According to Chinese state media, "a total of 172 countries, regions, and worldwide organizations" were represented at the inaugural CIIE; 82 countries had booths set up in the Country Pavilion for Trade and Investment.
"Overall, favorable conditions are in place for the long-term, healthy and steady growth of the Chinese economy", Xi said. All three Latin American countries cut ties with Taiwan in the past two years in favor of establishing relations with Beijing.
Xi is expected to deliver an address some time on Monday morning to open an event attended by several foreign heads of government including Russian Prime Minister Dmitry Medvedev and Pakistani premier Imran Khan.