China and the United States knocked some ping-pong balls back and forth three decades ago to break the ice between the two powers. Now it is time for high-end servers, chips and mobile Internet services to take relations to a higher level.

The high-technology diplomacy is set to lubricate Sino-US relations as the leaders sit down this week to discuss a wide range of thorny issues from cyber security to tensions in the South China Sea.

As President Xi Jinping arrived in Seattle to kick off his US visit, 15 Chinese business magnates followed.

Alibaba founder Jack Ma, Tencent CEO Pony Ma and Lenovo Chairman and CEO Yang Yuanqing are the most prominent tech moguls in the delegation. They are scheduled to meet Tim Cook of Apple, Satya Nadella of Microsoft and Jeff Bezos of Amazon at a round-table discussion where Xi will deliver a speech encouraging US tech companies to invest in China.

Lenovo's Yang holds high expectations for the meeting.

"The event offers a great platform for Sino-US entrepreneurs to discuss many topics," Yang said.

Chinese companies are trying to tap into the US market for a higher profit margin.

For the US CEOs, meeting with Xi means a golden chance to show their commitment to the Chinese market.

Wu Lianfeng, associate vice-president at IDC China, said the visit may bring a "second spring" to tech multinationals operating in China.

"Stable China-US relations remain a core interest for both sides. China will encourage investment from US tech giants, open more markets to overseas companies and enhance protection over intellectual property and personal information," Wu said. "It translates into a perfect chance for development for those companies."

China is the biggest overseas market for many US tech multinationals.

Apple relies heavily on Chinese buyers for its latest iPhone 6S sales. The country contributed more than a quarter of the tech giant's revenue in the last quarter, and iPhones sales helped generate the majority of that.

Microsoft's Nadella sees China as a critical step for the company's mobile transition. The head of the world's largest software maker stressed the importance of the Chinese market and innovation when he visited the country earlier this year.

US tech companies are facing a tough time in China as Beijing is showing a greater concern over information security. IT providers such as Cisco are already feeling the pain.

Cisco CEO John Chambers said earlier that orders from China fell by 20 percent during the quarter ended in April because of Sino-US security tensions. Many Chinese buyers turned to Chinese providers such as Huawei Technologies to avoid potential security vulnerabilities and regulatory troubles.

The company subsequently pledged a $10 billion investment in China in mid-June supporting innovation among Chinese companies. The show of commitment to the market may help the company bring back some swing customers.

Researchers said the US tech giants should grasp the chance to make their points to the Chinese leader.

Gene Cao, a senior researcher at industry consultancy Forrester Research, said many US tech companies are starting to find new ways to tap the Chinese market amid an economic slowdown and policy change.

"Teaming up with local partners will greatly reduce risks, and injecting investment gives China a sign the company has a long-term development plan in the country," Cao said.

Besides Cisco, a lot of US companies have already increased their investment in China ahead of Xi's visit.

In May, Hewlett-Packard put its server, storage and service units in China into a joint-venture with a State-owned company Unisplendour Corp.

Dell, a Texas-based computer maker, also announced five-year investment plan in China two weeks ago to improve innovation among Chinese companies and boost demand for tech devices.