Beijing: Leading Search engine Google Inc plans to buy a stake in China's Xunlei Network Technology Co and is said to be partnering Ceyuan Ventures, a Shanghai-based venture capital firm for the investment.

Shenzhen-based Xunlei provides a person-to-person file sharing network and other downloading services. More than 80 million users have installed its software and its websites attract more than 50 million visitors a day according to a media report in China Daily a newspaper in China.

Baidu.com Inc. controlled nearly 57 per cent of China's search-engine market at the end of June, according to Analysis International, a Beijing-based IT research company.

Baidu and Google, which has only 16 per cent of the China market, are exploring options to expand their online video services in the world's fourth-largest economy.