Beijing: China launched 5G mobile phone services on Friday, with analysts saying it is expected to become the world's largest 5G commercial market.

Ten million subscribers had pre-registered ahead of the launch. The technology offers data speeds 100 times faster than 4G.

Carriers China Mobile, China Telecom and China Unicom began offering 5G in 50 cities, with plan prices tied to speed for the first time, as well as data. China Unicom customers are being offered a top speed of 1Gbps for $US45 ($65) a month.

A man uses his smartphone near a display for 5G services from Chinese technology firm ZTE. China officially launched its 5G network on Friday. Credit:AP

The cheapest package, based on data volume, offers 30 Gigabytes of data for $US18 a month.