--FILE--A visitor is seen at the stand of China Mobile during an exhibition in Shanghai, China, 16 July 2015.

China Mobile, the world's largest telecom carrier by subscribers, said on Monday 14 December 2015 it aims to reach 500 million 4G users next year.

As of September, China Mobile has built over one million base stations and its 4G subscribers stand at 248 million.

At a news conference, China Mobile also unveiled its first VoLTE-enabled gadget that boasts strong security functions by part

China Tower Corp, a joint venture between China s three state-owned telecom companies, is slated to go public next year in China, according to a senior China Mobile executive.

The company is estimated to manage telecommunication towers valued at 270 billion yuan US$41.2 billion , according to Chinese media reports.

In February, China Tower general manager Tong Jielu was quoted as saying that proceeds from the company s IPO would be used for diversification into ventures such as charging stations for new-energy cars and a surveillance camera business.

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