Lenovo Group, the world's top PC seller with shipments of more than 52 million units last year, will expand its market share to almost 60 million this year.

In addition, Lenovo aims to sell 50 million smartphones and 10 million tablets this year.

In terms of the year ahead, "the worldwide PC market is facing a huge challenge," said Yang Yuanqing, chairman & CEO of Lenovo Group, in a global suppliers conference held by the company in Hefei, capital of East China's Anhui province, on Thursday.

More than 1,000 people, including senior leaders from 30 Fortune 500 companies, attended the conference.