After screening dozens of U.S.-traded China stocks against the model, one that stood out was cell phone giant China Mobile Ltd. (CHL) , which I featured in my most recent Forbes.com article. (Click here for that article.) But I also found a couple other smaller China plays that get solid marks from my Buffett-based strategy.

FORBES: China Picks Buffett Might Like

During the last decade, the Finnish cell-phone giant reached the peak of its success, producing at one point more than 40% of all the handsets sold around the globe.

FORBES: Don't Count Nokia Out Yet

But building a giant battery using dry-cell technology would require thousands of individual cells - about the size of a soft drinks can - to be strung together in a massive installation.

BBC: Liquid metal promise for future batteries

But with Apple moving to install giant solar arrays and a fuel cell power station at its iDataCenter in North Carolina as part of an effort to create a coal-free iCloud, Greenpeace on Thursday issued a report that gives a slight upgrade to low marks the group previously gave the company.

FORBES: Greenpeace: How Apple Can Build A Coal-Free iCloud

He has shown a strong interest in turning the island into a giant laboratory when the switch to fuel cell vehicles begins in earnest 10 to 15 years from now, as well as in testing the safety of hydrogen gas stations, the long-term reliability of cars and the economic viability of fuel cells.

FORBES: Mister Natural

Sony Ericsson is not the only cell phone manufacturer to get scooped up by a technology giant last year.

CNN: Mark Milian,

The idea behind the efforts to make an artificial bacterium was, in essence, to treat a large synthetic genome as a giant version of Phi-X174 and use it to hijack a cell which had had all its DNA removed.

ECONOMIST: Artificial lifeforms

The upgrade comes after web giant Google announced Monday it is developing a free software package for cell phones that would give it a new platform on which to sell ads and services (See "Google Wants Your Phone, Too" and "Google's Call").

FORBES: Magazine Article