The rumors are now semi-official. Kingsoft, one of China's top software and online game operators, is planning a Nasdaq listing in the third quarter of this year.

Though the company has issued no official release about the listing, company leaks to local media show that Kingsoft plans to raise $100-300 million through the public offering.

Kingsoft's shares are currently held by three main parties: 20% by Lenovo, some by Founder Holdings Ltd and the rest by Kingsoft's management.

China's online game market reached $298 million last year and this number is expected to increase by 35% annually in the coming years. Kingsoft also has a suite of office productivity software that competes with Microsoft's Office software.