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HONG KONG (CNNMoney) — Facebook and Google are teaming up to build a huge Internet cable under the Pacific Ocean to China.
Both companies are blocked in mainland China. But they're plowing money into an 8,000-mile ultrafast link between Los Angeles and Hong Kong, a special Chinese territory where their services can be viewed and that serves as a key network hub for Asia.
The Internet giants handle an enormous amount of data every day — from videos posted by 1.7 billion Facebook users to documents stored in Google's servers.
Rather than rely on telecom firms to provide the infrastructure to carry that information around the world, tech companies are increasingly doing it themselves.
Facebook is already working with Microsoft to build a giant cable under the Atlantic. And the new Pacific link — expected to begin operating in 2018 — is the sixth submarine cable in which Google has taken a stake.
But this latest project — the first to connect Los Angeles and Hong Kong — will have more bandwidth than any other linking the Americas and Asia, according to Google.
It will have enough capacity to handle 80 million high-definition video conference calls between the continents at the same time.
Facebook and Google are working on the project with Pacific Light Data Communication, a little-known Hong Kong-based company.
"It is certainly gratifying that global technology companies like Google and Facebook have become co-investors," said Wei Junkang, Pacific Light's chairman.
The companies didn't provide financial details on the project. And Facebook and Google didn't immediately respond to requests for further comment. The gear for the cable system will come from TE SubCom, which specializes in undersea communications technology.
Consumer tech companies have branched out into infrastructure on numerous other occasions.
Google has been busy building its Google Fiber business to bring broadband connections to U.S. cities. Facebook and Google are working on experimental tools like giant balloons and laser-equipped drones to bring the Internet to remote locations. Microsoft has other investments in subsea and land fiber connections.
— Heather Kelly contributed to this report.
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